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6510-21-159-1103 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6510-21-159-1103: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYURETHANE, overall_width: 0.690 INCHES NOMINAL IN, overall_height: 0.492 INCHES NOMINAL IN, overall_length: 1.360 INCHES NOMINAL IN, material_document_and_classification: SIKORSKY AIRCRAFT CORP, CAGE 78286; SS9532, GRADE A80 OR SS9530, GRADE A70 MFR REF SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-109-3348, 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
6510-21-159-1103
NSN: 5340-01-109-3348
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE
overall_width0.690 INCHES NOMINAL IN
overall_height0.492 INCHES NOMINAL IN
overall_length1.360 INCHES NOMINAL IN
material_document_and_classificationSIKORSKY AIRCRAFT CORP, CAGE 78286; SS9532, GRADE A80 OR SS9530, GRADE A70 MFR REF SINGLE MATERIAL RESPONSE
NSN5340-01-109-3348
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6510-21-159-1103 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SIKORSKY AIRCRAFT CORP, CAGE 78286; SS9532, GRADE A80 OR SS9530, GRADE A70 MFR REF SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYURETHANE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.492 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSIKORSKY AIRCRAFT CORP, CAGE 78286; SS9532, GRADE A80 OR SS9530, GRADE A70 MFR REF SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.360 INCHES NOMINAL IN
OVERALL WIDTH0.690 INCHES NOMINAL IN
MATERIALPLASTIC POLYURETHANE
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

No substitute or cross-reference records for this part.

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 6510-21-159-1103?
6510-21-159-1103 is a BUMPER.
What is the NSN for 6510-21-159-1103?
6510-21-159-1103 is cataloged in the U.S. Government catalog under NSN 5340-01-109-3348. 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.