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450904-9400 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

450904-9400: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, center_hole_diameter: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, cross-sectional_height: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-006-2125, 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
450904-9400
NSN: 5331-01-006-2125
FSC: 5331 — O-ring
CAGE: D4856 — NORTHROP GRUMMAN LITEF GMBH (DEU)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
center_hole_diameter0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
cross-sectional_height0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
NSN5331-01-006-2125
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 450904-9400 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: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
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
1628329-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 450904-9400?
450904-9400 is a O-RING.
What parts can replace 450904-9400?
There is 1 known substitute for 450904-9400: 1628329-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 450904-9400?
450904-9400 is cataloged in the U.S. Government catalog under NSN 5331-01-006-2125. 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.