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7-57-022 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-57-022: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE, special_features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200, center_hole_diameter: 0.424 INCHES NOMINAL IN, cross-sectional_height: 0.103 INCHES NOMINAL IN, end_item_identification: NSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK). This part is cataloged in the U.S.

Government catalog under NSN 5331-00-426-3321, 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
7-57-022
NSN: 5331-00-426-3321
FSC: 5331 — O-ring
CAGE: 00912 — AKRON BRASS COMPANY (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE
special_featuresCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
center_hole_diameter0.424 INCHES NOMINAL IN
cross-sectional_height0.103 INCHES NOMINAL IN
end_item_identificationNSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
NSN5331-00-426-3321
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-57-022 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: 0.103 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.424 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE NITRILE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
CENTER HOLE DIAMETER0.424 INCHES NOMINAL IN
END ITEM IDENTIFICATIONNSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
MATERIALRUBBER BUTADIENE NITRILE
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
2AB9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7-57-022?
7-57-022 is a O-RING.
What parts can replace 7-57-022?
There is 1 known substitute for 7-57-022: 2AB9. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-57-022?
7-57-022 is cataloged in the U.S. Government catalog under NSN 5331-00-426-3321. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.