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8762638 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8762638: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 1.750 INCHES NOMINAL IN, special_features: STEEL STRAP VULCANIZED TO RUBBER, outside/top_flange_diameter: 2.500 INCHES NOMINAL IN, material_document_and_classification: MIL-STD-417, TYPE R, CLASS RS, GRADE RS415BC1F2K1 MIL STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-947-8628, 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
8762638
NSN: 5340-00-947-8628
FSC: 5340 — Hardware, Commercial
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialRUBBER
overall_height1.750 INCHES NOMINAL IN
special_featuresSTEEL STRAP VULCANIZED TO RUBBER
outside/top_flange_diameter2.500 INCHES NOMINAL IN
material_document_and_classificationMIL-STD-417, TYPE R, CLASS RS, GRADE RS415BC1F2K1 MIL STD SINGLE MATERIAL RESPONSE
NSN5340-00-947-8628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8762638 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: 2.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-STD-417, TYPE R, CLASS RS, GRADE RS415BC1F2K1 MIL STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.750 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER2.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417, TYPE R, CLASS RS, GRADE RS415BC1F2K1 MIL STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESSTEEL STRAP VULCANIZED TO RUBBER
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 1
5340009478628Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8762638?
8762638 is a BUMPER.
What parts can replace 8762638?
There is 1 known substitute for 8762638: 5340009478628. Substitute compatibility should be verified for your specific system.
What is the NSN for 8762638?
8762638 is cataloged in the U.S. Government catalog under NSN 5340-00-947-8628. This indicates validated use in U.S. government and defense supply chains.
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