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7108957 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7108957: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, style_designator: FLAT TOP, outside/top_flange_diameter: 2.730 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-479-2981, 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
7108957
NSN: 5340-01-479-2981
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
style_designatorFLAT TOP
outside/top_flange_diameter2.730 INCHES NOMINAL IN
NSN5340-01-479-2981
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7108957 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
•
OUTSIDE/TOP FLANGE DIAMETER: 2.730 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
OUTSIDE/TOP FLANGE DIAMETER2.730 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP
MATERIALPLASTIC POLYAMIDE NYLON
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
7109590 ITEM 13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7108957?
7108957 is a BUMPER.
What parts can replace 7108957?
There is 1 known substitute for 7108957: 7109590 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 7108957?
7108957 is cataloged in the U.S. Government catalog under NSN 5340-01-479-2981. 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.