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251-S-2 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

251-S-2: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING HOOK, design_type: SWIVEL, overall_length: 3.875 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, end_connection_style: SWIVEL, hook_style_designator: PIVOT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-437-6308, 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
251-S-2
NSN: 5340-01-437-6308
FSC: 5340 — Hardware, Commercial
CAGE: 79577 — NORTH AND JUDD INC WILCOX-CRITTENDEN DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING HOOK
design_typeSWIVEL
overall_length3.875 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
end_connection_styleSWIVEL
hook_style_designatorPIVOT
rubber_covered_featureNOT INCLUDED
NSN5340-01-437-6308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 251-S-2 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
•
UNATTACHED RING: NOT INCLUDED
•
DESIGN TYPE: SWIVEL
•
END CONNECTION STYLE: SWIVEL
•
HOOK STYLE DESIGNATOR: PIVOT
•
MATERIAL: STEEL CORROSION RESISTING HOOK
•
RUBBER COVERED FEATURE: NOT INCLUDED
TECHNICAL CHARACTERISTICS
UNATTACHED RINGNOT INCLUDED
DESIGN TYPESWIVEL
OVERALL LENGTH3.875 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL
HOOK STYLE DESIGNATORPIVOT
MATERIALSTEEL CORROSION RESISTING HOOK
RUBBER COVERED FEATURENOT INCLUDED
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
13MPE-101-012 PC 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5105644 PC 17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 251-S-2?
251-S-2 is a SNAP HOOK.
What parts can replace 251-S-2?
There are 2 known substitutes for 251-S-2: 13MPE-101-012 PC 8, 5105644 PC 17. Substitute compatibility should be verified for your specific system.
What is the NSN for 251-S-2?
251-S-2 is cataloged in the U.S. Government catalog under NSN 5340-01-437-6308. This indicates validated use in U.S. government and defense supply chains.
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