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8KP158 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8KP158: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.350 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, outside_diameter: 1.891 INCHES NOMINAL IN, style_designator: CUP, surface_treatment: PASSIVATE, material_thickness: 0.061 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-029-4590, 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
8KP158
NSN: 5340-01-029-4590
FSC: 5340 — Hardware, Commercial
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
height0.350 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
outside_diameter1.891 INCHES NOMINAL IN
style_designatorCUP
surface_treatmentPASSIVATE
material_thickness0.061 INCHES NOMINAL IN
end_item_identificationLOGISTICS SUPPORT VESSEL (LSV)
NSN5340-01-029-4590
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8KP158 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 DIAMETER: 1.891 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CUP
•
MATERIAL THICKNESS: 0.061 INCHES NOMINAL IN
•
HEIGHT: 0.350 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.891 INCHES NOMINAL IN
STYLE DESIGNATORCUP
MATERIAL THICKNESS0.061 INCHES NOMINAL IN
HEIGHT0.350 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL (LSV)
MATERIALSTEEL CORROSION RESISTING
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
9L7657Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8KP158?
8KP158 is a PLUG,EXPANSION.
What parts can replace 8KP158?
There is 1 known substitute for 8KP158: 9L7657. Substitute compatibility should be verified for your specific system.
What is the NSN for 8KP158?
8KP158 is cataloged in the U.S. Government catalog under NSN 5340-01-029-4590. 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.