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545442-55 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

545442-55: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_width: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, overall_height: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, overall_length: 8.930 INCHES MINIMUM AND 8.990 INCHES MAXIMUM IN, material_document_and_classification: AMS 3195 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-224-8532, 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
545442-55
NSN: 5340-01-224-8532
FSC: 5340 — Hardware, Commercial
CAGE: 81567 — AUBURN MANUFACTURING CO, THE (USA)
SPECIFICATIONS
materialRUBBER
overall_width0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
overall_height0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
overall_length8.930 INCHES MINIMUM AND 8.990 INCHES MAXIMUM IN
material_document_and_classificationAMS 3195 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-224-8532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 545442-55 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: AMS 3195 ASSN STD SINGLE MATERIAL RESPONSE
•
COLOR: NATURAL
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3195 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH8.930 INCHES MINIMUM AND 8.990 INCHES MAXIMUM IN
OVERALL WIDTH0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
COLORNATURAL
MATERIALRUBBER
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 545442-55?
545442-55 is a BUMPER.
What is the NSN for 545442-55?
545442-55 is cataloged in the U.S. Government catalog under NSN 5340-01-224-8532. 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.