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2811891 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2811891: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: 0.623 IN. OD;0.375 IN.

ID ONE END;0.062 IN. ID OTHER END;END ITEM:1005-00-135-9246 IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-135-9252, 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
2811891
NSN: 5340-00-135-9252
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_features0.623 IN. OD;0.375 IN. ID ONE END;0.062 IN. ID OTHER END;END ITEM:1005-00-135-9246 IN
NSN5340-00-135-9252
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2811891 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: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES0.623 IN. OD;0.375 IN. ID ONE END;0.062 IN. ID OTHER END;END ITEM:1005-00-135-9246 IN
MATERIALSTEEL OVERALL
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 2
50915-40080-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
BUWEPSDWG2811891Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2811891?
2811891 is a PLUNGER,DETENT.
What parts can replace 2811891?
There are 2 known substitutes for 2811891: 50915-40080-1, BUWEPSDWG2811891. Substitute compatibility should be verified for your specific system.
What is the NSN for 2811891?
2811891 is cataloged in the U.S. Government catalog under NSN 5340-00-135-9252. This indicates validated use in U.S. government and defense supply chains.
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