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3913T51 — SNAP HOOK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3913T51: SNAP HOOK.

The SNAP HOOK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING HOOK, design_type: SWIVEL, overall_length: 3.500 INCHES NOMINAL IN, inside_diameter: 0.375 INCHES NOMINAL IN, unattached_ring: NOT INCLUDED, special_features: SNAP OPENING 0.375 NOMINAL INCH AND WIDTH 1.220 NOMINAL INCH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-577-9293, 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
3913T51
NSN: 5340-01-577-9293
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING HOOK
design_typeSWIVEL
overall_length3.500 INCHES NOMINAL IN
inside_diameter0.375 INCHES NOMINAL IN
unattached_ringNOT INCLUDED
special_featuresSNAP OPENING 0.375 NOMINAL INCH AND WIDTH 1.220 NOMINAL INCH
end_connection_styleROUND EYE
hook_style_designatorSLIDING BOLT
rubber_covered_featureNOT INCLUDED
end_item_identificationM-920 RAILCAR SHIPPING ASSEMBLY; 2320-01-552-7762 TRUCK, WRECKER
part_name_assigned_by_controlling_agencySNAP, SLIDE BOLT, LAYNARD
NSN5340-01-577-9293
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3913T51 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: ROUND EYE
•
INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
HOOK STYLE DESIGNATOR: SLIDING BOLT
TECHNICAL CHARACTERISTICS
UNATTACHED RINGNOT INCLUDED
DESIGN TYPESWIVEL
OVERALL LENGTH3.500 INCHES NOMINAL IN
END CONNECTION STYLEROUND EYE
INSIDE DIAMETER0.375 INCHES NOMINAL IN
HOOK STYLE DESIGNATORSLIDING BOLT
SPECIAL FEATURESSNAP OPENING 0.375 NOMINAL INCH AND WIDTH 1.220 NOMINAL INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYSNAP, SLIDE BOLT, LAYNARD
END ITEM IDENTIFICATIONM-920 RAILCAR SHIPPING ASSEMBLY; 2320-01-552-7762 TRUCK, WRECKER
MATERIALSTEEL CORROSION RESISTING HOOK
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
6301E01-ITEM26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12506047Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 3913T51?
3913T51 is a SNAP HOOK.
What parts can replace 3913T51?
There are 2 known substitutes for 3913T51: 6301E01-ITEM26, 12506047. Substitute compatibility should be verified for your specific system.
What is the NSN for 3913T51?
3913T51 is cataloged in the U.S. Government catalog under NSN 5340-01-577-9293. This indicates validated use in U.S. government and defense supply chains.
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