PartsTable
Technical Data Sheet
Download PDF

1277586 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1277586: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL OR RUBBER SYNTHETIC, hole_depth: 0.563 INCHES NOMINAL IN, shank_length: 0.469 INCHES NOMINAL IN, hole_diameter: 0.188 INCHES NOMINAL IN, overall_height: 0.844 INCHES NOMINAL IN, shank_diameter: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-770-5775, 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
1277586
NSN: 5340-00-770-5775
FSC: 5340 — Hardware, Commercial
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialRUBBER NATURAL OR RUBBER SYNTHETIC
hole_depth0.563 INCHES NOMINAL IN
shank_length0.469 INCHES NOMINAL IN
hole_diameter0.188 INCHES NOMINAL IN
overall_height0.844 INCHES NOMINAL IN
shank_diameter0.625 INCHES NOMINAL IN
style_designatorRECESSED FLANGE ROUND SHANK
outside/top_flange_diameter1.250 INCHES NOMINAL IN
NSN5340-00-770-5775
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1277586 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
•
SHANK DIAMETER: 0.625 INCHES NOMINAL IN
•
OUTSIDE/TOP FLANGE DIAMETER: 1.250 INCHES NOMINAL IN
•
HOLE DEPTH: 0.563 INCHES NOMINAL IN
•
SHANK LENGTH: 0.469 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED FLANGE ROUND SHANK
•
MATERIAL: RUBBER NATURAL OR RUBBER SYNTHETIC
•
HOLE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.625 INCHES NOMINAL IN
OVERALL HEIGHT0.844 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.250 INCHES NOMINAL IN
HOLE DEPTH0.563 INCHES NOMINAL IN
SHANK LENGTH0.469 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED FLANGE ROUND SHANK
MATERIALRUBBER NATURAL OR RUBBER SYNTHETIC
HOLE DIAMETER0.188 INCHES NOMINAL IN
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
Ready to buy 1277586?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1277586?
1277586 is a BUMPER.
What is the NSN for 1277586?
1277586 is cataloged in the U.S. Government catalog under NSN 5340-00-770-5775. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1277586

✓ 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.