AS-568 NITRILE PARKER NM304-75

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AS-568 Nitrile Parker NM304-75 O-Ring

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Parker’s NM304-75 is a 75-durometer black nitrile (NBR, Buna) O-ring material. NM304-75 has excellent low temperature properties (-66°F) and is an excellent general-purpose material that has good mechanical properties when compared to other elastomers. Nitrile compounds perform well in gasoline, crude oil, power-steering fluid, hexane, toluene, water, water-based hydraulic fluids, and dilute bases, such as sodium hydroxide. Because nitriles contain unsaturated carbon-carbon bonds in the base polymer, they are not suitable for exposure to ozone, sunlight, and weathering. Download our guide here.

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PERFORMANCE & SPECIFICATIONS

Performance

Temperature Range (F) -65 to 250
MIL-P-25732 (MS28775), Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
HFA, HFB and HFC hydraulic fluids

Not Compatible Withs

Fuels of high aromatic content
Aromatic hydrocarbons (benzene)
Ozone, weather and atmospheric aging

Material Datasheets

NM304-75

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Grouped product items
PART NUMBER	O-Ring Size (AS-568)	Inner Diameter (In.)	Cross Section (In.)	O-Ring Size Series	PRICE	ADD TO CART
NBR Parker NM304-75 O-Ring, Size 003, 0.056" ID x 0.060" CS, MIL-P-25732	O-Ring Size (AS-568) 003 Inner Diameter (In.) 0.056 Cross Section (In.) 0.060 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-7TF9-3XL6-3XL6-VD	003	0.056	0.060	5 Days 0Out of stock	$0.52	Starting at: $0.52	PRICE QTY $875.12
NBR Parker NM304-75 O-Ring, Size 004, 0.070" ID x 0.070" CS	O-Ring Size (AS-568) 004 Inner Diameter (In.) 0.070 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-90L8-90L8-90L8	004	0.070	0.070	5 Days 0Out of stock	$0.46	Starting at: $0.46	PRICE QTY $874.94
NBR Parker NM304-75 O-Ring, Size 006, 0.114" ID x 0.070" CS	O-Ring Size (AS-568) 006 Inner Diameter (In.) 0.114 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Qty in stock 1178 See more OR-AS-HX2-VJVX-90L8-90L8	006	0.114	0.070	5 Days 1178Qty in stock	$0.31	Starting at: $0.31	PRICE QTY $34.99
NBR Parker NM304-75 O-Ring, Size 007, 0.145" ID x 0.070" CS	O-Ring Size (AS-568) 007 Inner Diameter (In.) 0.145 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Qty in stock 1089 See more OR-AS-HX2-P4ED-90L8-90L8	007	0.145	0.070	5 Days 1089Qty in stock	$0.32	Starting at: $0.32	PRICE QTY $175.02
NBR Parker NM304-75 O-Ring, Size 009, 0.208" ID x 0.070" CS	O-Ring Size (AS-568) 009 Inner Diameter (In.) 0.208 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-17B5-90L8-90L8	009	0.208	0.070	5 Days 0Out of stock	$0.32	Starting at: $0.32	PRICE QTY $874.92
NBR Parker NM304-75 O-Ring, Size 011, 0.301" ID x 0.070" CS	O-Ring Size (AS-568) 011 Inner Diameter (In.) 0.301 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-LK37-90L8-90L8	011	0.301	0.070	5 Days 0Out of stock	$0.34	Starting at: $0.34	PRICE QTY $875.13
NBR Parker NM304-75 O-Ring, Size 012, 0.364" ID x 0.070" CS	O-Ring Size (AS-568) 012 Inner Diameter (In.) 0.364 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-8DU4-90L8-90L8	012	0.364	0.070	5 Days 0Out of stock	$0.35	Starting at: $0.35	PRICE QTY $874.97
NBR Parker NM304-75 O-Ring, Size 013, 0.426" ID x 0.070" CS	O-Ring Size (AS-568) 013 Inner Diameter (In.) 0.426 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-W7Y7-90L8-90L8	013	0.426	0.070	5 Days 0Out of stock	$0.36	Starting at: $0.36	PRICE QTY $875.06
NBR Parker NM304-75 O-Ring, Size 014, 0.489" ID x 0.070" CS	O-Ring Size (AS-568) 014 Inner Diameter (In.) 0.489 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-3K18-90L8-90L8	014	0.489	0.070	5 Days 0Out of stock	$0.37	Starting at: $0.37	PRICE QTY $874.83
NBR Parker NM304-75 O-Ring, Size 015, 0.551" ID x 0.070" CS	O-Ring Size (AS-568) 015 Inner Diameter (In.) 0.551 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Qty in stock 3533 See more OR-AS-HX2-N1Y5-90L8-90L8	015	0.551	0.070	5 Days 3533Qty in stock	$0.39	Starting at: $0.39	PRICE QTY $175.14
NBR Parker NM304-75 O-Ring, Size 017, 0.676" ID x 0.070" CS	O-Ring Size (AS-568) 017 Inner Diameter (In.) 0.676 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 4-6 Weeks Out of stock 0 See more OR-AS-HX2-R1Q8-90L8-90L8	017	0.676	0.070	4-6 Weeks 0Out of stock	$0.41	Starting at: $0.41	PRICE QTY $874.88
NBR Parker NM304-75 O-Ring, Size 018, 0.739" ID x 0.070" CS	O-Ring Size (AS-568) 018 Inner Diameter (In.) 0.739 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-URS7-90L8-90L8	018	0.739	0.070	5 Days 0Out of stock	$0.41	Starting at: $0.41	PRICE QTY $875.12
NBR Parker NM304-75 O-Ring, Size 019, 0.801" ID x 0.070" CS	O-Ring Size (AS-568) 019 Inner Diameter (In.) 0.801 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-1094-90L8-90L8	019	0.801	0.070	5 Days 0Out of stock	$0.42	Starting at: $0.42	PRICE QTY $874.83
NBR Parker NM304-75 O-Ring, Size 020, 0.864" ID x 0.070" CS	O-Ring Size (AS-568) 020 Inner Diameter (In.) 0.864 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Qty in stock 411 See more OR-AS-HX2-L1F7-90L8-90L8	020	0.864	0.070	5 Days 411Qty in stock	$0.43	Starting at: $0.43	PRICE QTY $175.00
NBR Parker NM304-75 O-Ring, Size 020, 0.864" ID x 0.070" CS, MIL-P-25732	O-Ring Size (AS-568) 020 Inner Diameter (In.) 0.864 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-L1F7-90L8-90L8-VD	020	0.864	0.070	5 Days 0Out of stock	$0.43	Starting at: $0.43	PRICE QTY $875.08
NBR Parker NM304-75 O-Ring, Size 021, 0.926" ID x 0.070" CS	O-Ring Size (AS-568) 021 Inner Diameter (In.) 0.926 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-6HK7-90L8-90L8	021	0.926	0.070	5 Days 0Out of stock	$0.43	Starting at: $0.43	PRICE QTY $875.08
NBR Parker NM304-75 O-Ring, Size 023, 1.051" ID x 0.070" CS	O-Ring Size (AS-568) 023 Inner Diameter (In.) 1.051 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-EDT0-90L8-90L8	023	1.051	0.070	5 Days 0Out of stock	$0.55	Starting at: $0.55	PRICE QTY $874.84
NBR Parker NM304-75 O-Ring, Size 024, 1.114" ID x 0.070" CS, MIL-P-25732	O-Ring Size (AS-568) 024 Inner Diameter (In.) 1.114 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-99Y2-90L8-90L8-VD	024	1.114	0.070	5 Days 0Out of stock	$0.47	Starting at: $0.47	PRICE QTY $874.87
NBR Parker NM304-75 O-Ring, Size 025, 1.176" ID x 0.070" CS	O-Ring Size (AS-568) 025 Inner Diameter (In.) 1.176 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Out of stock 0 See more OR-AS-HX2-L4C9-90L8-90L8	025	1.176	0.070	5 Days 0Out of stock	$0.70	Starting at: $0.70	PRICE QTY $874.72
NBR Parker NM304-75 O-Ring, Size 027, 1.301" ID x 0.070" CS	O-Ring Size (AS-568) 027 Inner Diameter (In.) 1.301 Cross Section (In.) 0.070 O-Ring Size Series 000 Series Ships Within 5 Days Qty in stock 117 See more OR-AS-HX2-NM44-90L8-90L8	027	1.301	0.070	5 Days 117Qty in stock	$0.78	Starting at: $0.78	PRICE QTY $35.22