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Technical Data Sheet
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XS51171 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

XS51171: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-087-3657, 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
XS51171
NSN: 5340-00-087-3657
FSC: 5340 — Hardware, Commercial
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
Part NumberXS51171
NSN5340-00-087-3657
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: XS51171 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
SUBSTITUTES & CROSS-REFERENCES 1
51171Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is XS51171?
XS51171 is a BUTTON,PLUG.
What parts can replace XS51171?
There is 1 known substitute for XS51171: 51171. Substitute compatibility should be verified for your specific system.
What is the NSN for XS51171?
XS51171 is cataloged in the U.S. Government catalog under NSN 5340-00-087-3657. This indicates validated use in U.S. government and defense supply chains.
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