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6826890 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6826890: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC, hole_depth: 0.500 INCHES NOMINAL IN, hole_diameter: 0.750 INCHES NOMINAL IN, overall_height: 1.190 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP, end_item_identification: USED ON THE SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-493-6505, 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
6826890
NSN: 5340-01-493-6505
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC
hole_depth0.500 INCHES NOMINAL IN
hole_diameter0.750 INCHES NOMINAL IN
overall_height1.190 INCHES NOMINAL IN
style_designatorFLAT RECESSED TOP
end_item_identificationUSED ON THE SEAWOLF CLASS SSN
outside/top_flange_diameter0.750 INCHES NOMINAL IN
NSN5340-01-493-6505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6826890 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: 0.750 INCHES NOMINAL IN
•
HOLE DEPTH: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
MATERIAL: PLASTIC
•
HOLE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.190 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.750 INCHES NOMINAL IN
HOLE DEPTH0.500 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP
END ITEM IDENTIFICATIONUSED ON THE SEAWOLF CLASS SSN
MATERIALPLASTIC
HOLE DIAMETER0.750 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 1
14962136Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6826890?
6826890 is a BUMPER.
What parts can replace 6826890?
There is 1 known substitute for 6826890: 14962136. Substitute compatibility should be verified for your specific system.
What is the NSN for 6826890?
6826890 is cataloged in the U.S. Government catalog under NSN 5340-01-493-6505. 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.