What factors should I consider when choosing the right sputtering target?

Consider the material composition, purity, target size, and application-specific requirements such as the thickness and uniformity of the film.

Do you offer custom sputtering targets or evaporation materials?

Yes, we offer customized sputtering targets, evaporation materials, and crucibles to meet specific customer requirements for size, material composition, and purity.

Can you provide advice on the optimal material for a specific thin film application?

Yes, we can assist in selecting the most suitable material based on your application, whether it’s for optical coatings, semiconductor fabrication, or decorative finishes.

Can you supply small quantities of materials for research and development purposes?

Yes, we offer both bulk and small quantities of sputtering targets, evaporation materials, and spherical powders to support research, prototyping, and development projects.

Buna-N (Nitrile) O-Rings (0.103 Section)

Buna-N (Nitrile) O-Rings (0.103 Section): Precision Sealing for Oil, Fuel, and Hydraulic Applications

Buna-N (Nitrile) O-Rings (0.103 section) from TFM are precision-engineered elastomeric seals crafted from 4900-70 grade nitrile rubber, designed to perform reliably in general-purpose applications involving petroleum-based fluids, gasoline, diesel, propane, and hydraulic oils. These O-rings are ideal for use in compact fittings, valves, and small component interfaces where sealing integrity is critical despite limited space.

With a 0.103-inch cross-sectional diameter, this size is optimized for sealing in tight or miniature assemblies, providing effective resistance to swelling, abrasion, and moderate temperatures.

Product Specifications:

Material Grade: 4900-70 Buna-N (Nitrile)
Color: Black
Durometer Hardness: 70 Shore A
Cross-Section Diameter: 0.103 inches
Temperature Range: –35°C to +110°C

Key Benefits:

Excellent compatibility with petroleum oils, gasoline, and hydraulic fluids
Compact sealing performance ideal for limited-space installations
Resistant to abrasion and compression set in static or light dynamic systems
Cost-efficient and widely available, suitable for general industrial use

Not Suitable For:

Automotive brake fluid, ozone, or prolonged UV exposure
Strong acids, ketones, or chlorinated solvents

Application Areas:

Miniature valves, fuel injection systems, and fluid couplings
Hydraulic tools and precision lubrication equipment
Oil-sealed instruments and low-pressure pneumatic assemblies
Compact mechanical seals in industrial or consumer-grade systems

TFM’s Buna-N (Nitrile) O-Rings (0.103 section) offer a dependable micro-sealing solution for petroleum-based fluids where space is limited and performance is non-negotiable.

Ordering Table

Drawing	Reference	O-Ring Size	O-Ring Material	O-Ring OD	O-Ring ID	O-Ring Cross Section	O-Ring Color	Part Number
	O-ring Seals, Nitrile (Buna-N)	102	4900-70 Nitrile	0.255	0.049	0.103	Black	O-B102
	O-ring Seals, Nitrile (Buna-N)	103	4900-70 Nitrile	0.287	0.081	0.103	Black	O-B103
	O-ring Seals, Nitrile (Buna-N)	104	4900-70 Nitrile	0.318	0.112	0.103	Black	O-B104
	O-ring Seals, Nitrile (Buna-N)	105	4900-70 Nitrile	0.349	0.143	0.103	Black	O-B105
	O-ring Seals, Nitrile (Buna-N)	106	4900-70 Nitrile	0.380	0.174	0.103	Black	O-B106
	O-ring Seals, Nitrile (Buna-N)	107	4900-70 Nitrile	0.412	0.206	0.103	Black	O-B107
	O-ring Seals, Nitrile (Buna-N)	108	4900-70 Nitrile	0.443	0.237	0.103	Black	O-B108
	O-ring Seals, Nitrile (Buna-N)	109	4900-70 Nitrile	0.505	0.299	0.103	Black	O-B109
	O-ring Seals, Nitrile (Buna-N)	110	4900-70 Nitrile	0.568	0.362	0.103	Black	O-B110
	O-ring Seals, Nitrile (Buna-N)	111	4900-70 Nitrile	0.630	0.424	0.103	Black	O-B111
	O-ring Seals, Nitrile (Buna-N)	112	4900-70 Nitrile	0.693	0.487	0.103	Black	O-B112
	O-ring Seals, Nitrile (Buna-N)	113	4900-70 Nitrile	0.755	0.549	0.103	Black	O-B113
	O-ring Seals, Nitrile (Buna-N)	114	4900-70 Nitrile	0.818	0.612	0.103	Black	O-B114
	O-ring Seals, Nitrile (Buna-N)	115	4900-70 Nitrile	0.880	0.674	0.103	Black	O-B115
	O-ring Seals, Nitrile (Buna-N)	116	4900-70 Nitrile	0.943	0.737	0.103	Black	O-B116
	O-ring Seals, Nitrile (Buna-N)	117	4900-70 Nitrile	1.005	0.799	0.103	Black	O-B117
	O-ring Seals, Nitrile (Buna-N)	118	4900-70 Nitrile	1.068	0.862	0.103	Black	O-B118
	O-ring Seals, Nitrile (Buna-N)	119	4900-70 Nitrile	1.130	0.924	0.103	Black	O-B119
	O-ring Seals, Nitrile (Buna-N)	120	4900-70 Nitrile	1.193	0.987	0.103	Black	O-B120
	O-ring Seals, Nitrile (Buna-N)	121	4900-70 Nitrile	1.255	1.049	0.103	Black	O-B121
	O-ring Seals, Nitrile (Buna-N)	122	4900-70 Nitrile	1.318	1.112	0.103	Black	O-B122
	O-ring Seals, Nitrile (Buna-N)	123	4900-70 Nitrile	1.380	1.174	0.103	Black	O-B123
	O-ring Seals, Nitrile (Buna-N)	124	4900-70 Nitrile	1.443	1.237	0.103	Black	O-B124
	O-ring Seals, Nitrile (Buna-N)	125	4900-70 Nitrile	1.505	1.299	0.103	Black	O-B125
	O-ring Seals, Nitrile (Buna-N)	126	4900-70 Nitrile	1.568	1.362	0.103	Black	O-B126
	O-ring Seals, Nitrile (Buna-N)	127	4900-70 Nitrile	1.630	1.424	0.103	Black	O-B127
	O-ring Seals, Nitrile (Buna-N)	128	4900-70 Nitrile	1.693	1.487	0.103	Black	O-B128
	O-ring Seals, Nitrile (Buna-N)	129	4900-70 Nitrile	1.755	1.549	0.103	Black	O-B129
	O-ring Seals, Nitrile (Buna-N)	130	4900-70 Nitrile	1.818	1.612	0.103	Black	O-B130
	O-ring Seals, Nitrile (Buna-N)	131	4900-70 Nitrile	1.880	1.674	0.103	Black	O-B131
	O-ring Seals, Nitrile (Buna-N)	132	4900-70 Nitrile	1.943	1.737	0.103	Black	O-B132
	O-ring Seals, Nitrile (Buna-N)	133	4900-70 Nitrile	2.005	1.799	0.103	Black	O-B133
	O-ring Seals, Nitrile (Buna-N)	134	4900-70 Nitrile	2.068	1.862	0.103	Black	O-B134
	O-ring Seals, Nitrile (Buna-N)	135	4900-70 Nitrile	2.131	1.925	0.103	Black	O-B135
	O-ring Seals, Nitrile (Buna-N)	136	4900-70 Nitrile	2.193	1.987	0.103	Black	O-B136
	O-ring Seals, Nitrile (Buna-N)	137	4900-70 Nitrile	2.256	2.050	0.103	Black	O-B137
	O-ring Seals, Nitrile (Buna-N)	138	4900-70 Nitrile	2.318	2.112	0.103	Black	O-B138
	O-ring Seals, Nitrile (Buna-N)	139	4900-70 Nitrile	2.381	2.175	0.103	Black	O-B139
	O-ring Seals, Nitrile (Buna-N)	140	4900-70 Nitrile	2.443	2.237	0.103	Black	O-B140
	O-ring Seals, Nitrile (Buna-N)	141	4900-70 Nitrile	2.506	2.300	0.103	Black	O-B141
	O-ring Seals, Nitrile (Buna-N)	142	4900-70 Nitrile	2.568	2.362	0.103	Black	O-B142
	O-ring Seals, Nitrile (Buna-N)	143	4900-70 Nitrile	2.631	2.425	0.103	Black	O-B143
	O-ring Seals, Nitrile (Buna-N)	144	4900-70 Nitrile	2.693	2.487	0.103	Black	O-B144
	O-ring Seals, Nitrile (Buna-N)	145	4900-70 Nitrile	2.756	2.550	0.103	Black	O-B145
	O-ring Seals, Nitrile (Buna-N)	146	4900-70 Nitrile	2.818	2.612	0.103	Black	O-B146
	O-ring Seals, Nitrile (Buna-N)	147	4900-70 Nitrile	2.881	2.675	0.103	Black	O-B147
	O-ring Seals, Nitrile (Buna-N)	148	4900-70 Nitrile	2.943	2.737	0.103	Black	O-B148
	O-ring Seals, Nitrile (Buna-N)	149	4900-70 Nitrile	3.006	2.800	0.103	Black	O-B149
	O-ring Seals, Nitrile (Buna-N)	150	4900-70 Nitrile	3.068	2.862	0.103	Black	O-B150
	O-ring Seals, Nitrile (Buna-N)	151	4900-70 Nitrile	3.193	2.987	0.103	Black	O-B151
	O-ring Seals, Nitrile (Buna-N)	152	4900-70 Nitrile	3.443	3.237	0.103	Black	O-B152
	O-ring Seals, Nitrile (Buna-N)	153	4900-70 Nitrile	3.693	3.487	0.103	Black	O-B153
	O-ring Seals, Nitrile (Buna-N)	154	4900-70 Nitrile	3.943	3.737	0.103	Black	O-B154
	O-ring Seals, Nitrile (Buna-N)	155	4900-70 Nitrile	4.193	3.987	0.103	Black	O-B155
	O-ring Seals, Nitrile (Buna-N)	156	4900-70 Nitrile	4.443	4.237	0.103	Black	O-B156
	O-ring Seals, Nitrile (Buna-N)	157	4900-70 Nitrile	4.693	4.487	0.103	Black	O-B157
	O-ring Seals, Nitrile (Buna-N)	158	4900-70 Nitrile	4.943	4.737	0.103	Black	O-B158
	O-ring Seals, Nitrile (Buna-N)	159	4900-70 Nitrile	5.193	4.987	0.103	Black	O-B159
	O-ring Seals, Nitrile (Buna-N)	160	4900-70 Nitrile	5.443	5.237	0.103	Black	O-B160
	O-ring Seals, Nitrile (Buna-N)	161	4900-70 Nitrile	5.693	5.487	0.103	Black	O-B161
	O-ring Seals, Nitrile (Buna-N)	162	4900-70 Nitrile	5.943	5.737	0.103	Black	O-B162
	O-ring Seals, Nitrile (Buna-N)	163	4900-70 Nitrile	6.193	5.987	0.103	Black	O-B163
	O-ring Seals, Nitrile (Buna-N)	164	4900-70 Nitrile	6.443	6.237	0.103	Black	O-B164
	O-ring Seals, Nitrile (Buna-N)	165	4900-70 Nitrile	6.693	6.487	0.103	Black	O-B165
	O-ring Seals, Nitrile (Buna-N)	166	4900-70 Nitrile	6.943	6.737	0.103	Black	O-B166
	O-ring Seals, Nitrile (Buna-N)	167	4900-70 Nitrile	7.193	6.987	0.103	Black	O-B167
	O-ring Seals, Nitrile (Buna-N)	168	4900-70 Nitrile	7.443	7.237	0.103	Black	O-B168
	O-ring Seals, Nitrile (Buna-N)	169	4900-70 Nitrile	7.693	7.487	0.103	Black	O-B169
	O-ring Seals, Nitrile (Buna-N)	170	4900-70 Nitrile	7.943	7.737	0.103	Black	O-B170
	O-ring Seals, Nitrile (Buna-N)	171	4900-70 Nitrile	8.193	7.987	0.103	Black	O-B171
	O-ring Seals, Nitrile (Buna-N)	172	4900-70 Nitrile	8.443	8.237	0.103	Black	O-B172
	O-ring Seals, Nitrile (Buna-N)	173	4900-70 Nitrile	8.693	8.487	0.103	Black	O-B173
	O-ring Seals, Nitrile (Buna-N)	174	4900-70 Nitrile	8.943	8.737	0.103	Black	O-B174
	O-ring Seals, Nitrile (Buna-N)	175	4900-70 Nitrile	9.193	8.987	0.103	Black	O-B175
	O-ring Seals, Nitrile (Buna-N)	176	4900-70 Nitrile	9.443	9.237	0.103	Black	O-B176
	O-ring Seals, Nitrile (Buna-N)	177	4900-70 Nitrile	9.693	9.487	0.103	Black	O-B177
	O-ring Seals, Nitrile (Buna-N)	178	4900-70 Nitrile	9.943	9.737	0.103	Black	O-B178