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Technical Data Sheet
PartsTable / O-RING / 2-212 N304-75
2-212 N304-75 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN, center_hole_diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, end_item_identification: ARMORED MULTI-PURPOSE VEHICLE (AMPV). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-579-8156, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
2-212 N304-75
NSN: 5331-00-579-8156
FSC: 5331 — O-RING
CAGE: C0308 — PARKER HANNIFIN GMBH O-RING DIVISION (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
center_hole_diameter0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
end_item_identificationARMORED MULTI-PURPOSE VEHICLE (AMPV)
NSN5331-00-579-8156
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-212 N304-75 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.119 INCHES MINIMUM AND 1.155 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV)
CENTER HOLE DIAMETER0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
2632-901X6PC7Interchangeable
interchangeable cross-reference
interchangeable
C-8176ITEM17Interchangeable
interchangeable cross-reference
interchangeable
845-2181262TABLE17Interchangeable
interchangeable cross-reference
interchangeable
E1202089Interchangeable
interchangeable cross-reference
interchangeable
N304-7-B17Interchangeable
interchangeable cross-reference
interchangeable
42301-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-212 N304-75?
2-212 N304-75 is a O-RING.
What parts can replace 2-212 N304-75?
There are 24 known substitutes for 2-212 N304-75: 2632-901X6PC7, C-8176ITEM17, 845-2181262TABLE17 and 21 more. Substitute compatibility should be verified for your specific system.
Is 2-212 N304-75 still available?
2-212 N304-75 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026