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51A137B184 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

51A137B184: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.510 INCHES NOMINAL IN, style_designator: FLAT TOP, outside/top_flange_diameter: 0.747 INCHES MINIMUM AND 0.771 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-6855, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-076-6679, 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
51A137B184
NSN: 5340-01-076-6679
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.510 INCHES NOMINAL IN
style_designatorFLAT TOP
outside/top_flange_diameter0.747 INCHES MINIMUM AND 0.771 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-6855, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-076-6679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51A137B184 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: 0.747 INCHES MINIMUM AND 0.771 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT TOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.510 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.747 INCHES MINIMUM AND 0.771 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT TOP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51A137B184?
51A137B184 is a BUMPER.
What is the NSN for 51A137B184?
51A137B184 is cataloged in the U.S. Government catalog under NSN 5340-01-076-6679. This indicates validated use in U.S. government and defense supply chains.
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