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161-6903749-14 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

161-6903749-14: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, overall_height: 2.000 INCHES NOMINAL IN, special_features: 2 HOLES 0.312 THRUS 4.570 IN APART IN, style_designator: ROUND TOP, end_item_identification: CP-2388A/WRR A, outside/top_flange_diameter: 10.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-511-9729, 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
161-6903749-14
NSN: 5340-01-511-9729
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
overall_height2.000 INCHES NOMINAL IN
special_features2 HOLES 0.312 THRUS 4.570 IN APART IN
style_designatorROUND TOP
end_item_identificationCP-2388A/WRR A
outside/top_flange_diameter10.200 INCHES NOMINAL IN
NSN5340-01-511-9729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 161-6903749-14 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: 10.200 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND TOP
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.000 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER10.200 INCHES NOMINAL IN
STYLE DESIGNATORROUND TOP
SPECIAL FEATURES2 HOLES 0.312 THRUS 4.570 IN APART IN
END ITEM IDENTIFICATIONCP-2388A/WRR A
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
B541-3290-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 161-6903749-14?
161-6903749-14 is a BUMPER.
What parts can replace 161-6903749-14?
There is 1 known substitute for 161-6903749-14: B541-3290-14. Substitute compatibility should be verified for your specific system.
What is the NSN for 161-6903749-14?
161-6903749-14 is cataloged in the U.S. Government catalog under NSN 5340-01-511-9729. 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.