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431127B — PARTS KIT,SEAL REPLACEMENT,MECHA

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

431127B: PARTS KIT,SEAL REPLACEMENT,MECHA.

PARTS KIT,SEAL REPLACEMENT,MECHA. Key specifications include end_item_identification: 120871B CYLINDER ASSY. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-593-7521, 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
431127B
NSN: 5330-01-593-7521
FSC: 5330 — Packing and Gasket Materials
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
end_item_identification120871B CYLINDER ASSY
NSN5330-01-593-7521
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 431127B 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATION120871B CYLINDER ASSY
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
120871B PN/431127BReference document
Same NSN cross-reference
Reference document — Secondary reference
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 431127B?
431127B is a PARTS KIT,SEAL REPLACEMENT,MECHA.
What parts can replace 431127B?
There is 1 known substitute for 431127B: 120871B PN/431127B. Substitute compatibility should be verified for your specific system.
What is the NSN for 431127B?
431127B is cataloged in the U.S. Government catalog under NSN 5330-01-593-7521. This indicates validated use in U.S. government and defense supply chains.
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