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Technical Data Sheet
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3957519 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3957519: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include end_item_identification: 2320015341887, part_name_assigned_by_controlling_agency: FTG, PLUG, RES, SOL ASSY, CRANE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-680-8735, 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
3957519
NSN: 5340-01-680-8735
FSC: 5340 — Hardware, Commercial
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
end_item_identification2320015341887
part_name_assigned_by_controlling_agencyFTG, PLUG, RES, SOL ASSY, CRANE
NSN5340-01-680-8735
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3957519 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
PART NAME ASSIGNED BY CONTROLLING AGENCYFTG, PLUG, RES, SOL ASSY, CRANE
END ITEM IDENTIFICATION2320015341887
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
4466310Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 3957519?
3957519 is a BUTTON,PLUG.
What parts can replace 3957519?
There is 1 known substitute for 3957519: 4466310. Substitute compatibility should be verified for your specific system.
What is the NSN for 3957519?
3957519 is cataloged in the U.S. Government catalog under NSN 5340-01-680-8735. This indicates validated use in U.S. government and defense supply chains.
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