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400-7486898-7 — 400-7486898-7

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

400-7486898-7: 400-7486898-7.

The 400-7486898-7 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-453-7140, 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
400-7486898-7
NSN: 5330-01-453-7140
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number400-7486898-7
NSN5330-01-453-7140
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 400-7486898-7 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: 0.893 INCHES MINIMUM AND 0.897 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: U WITH O-RING
•
PERIPHERAL DIAMETER: 8.735 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 7.531 INCHES NOMINAL IN
•
MATERIAL: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.893 INCHES MINIMUM AND 0.897 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEU WITH O-RING
PERIPHERAL DIAMETER8.735 INCHES NOMINAL IN
SPECIAL FEATURESINTERNALLY LUBED
CENTER HOLE DIAMETER7.531 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCUSTOM POLYPAK OR SEAL, MAIN, SPRING LOADED POLYPACK
END ITEM IDENTIFICATIONPERISCOPE UNIVERSAL HULL PACKING
MATERIALRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
4274P94A7339AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7486898-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4274P94A7339Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
400-7094157 PC1,2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 400-7486898-7?
400-7486898-7 is a 400-7486898-7.
What parts can replace 400-7486898-7?
There are 4 known substitutes for 400-7486898-7: 4274P94A7339A, 7486898-7, 4274P94A7339 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400-7486898-7?
400-7486898-7 is cataloged in the U.S. Government catalog under NSN 5330-01-453-7140. 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.