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3648T71 — BUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3648T71: BUCKLE.

The BUCKLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: 833 LBS WORKING LOAD LIMIT LBS, surface_treatment: ZINC, specific_usage_design: HEAVY DUTY-QUICK TIGHT BUCKLE, buckle_style_designator: TIE DOWN, end_item_identification: F-15SA. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-641-8666, 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
3648T71
NSN: 5340-01-641-8666
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_features833 LBS WORKING LOAD LIMIT LBS
surface_treatmentZINC
specific_usage_designHEAVY DUTY-QUICK TIGHT BUCKLE
buckle_style_designatorTIE DOWN
end_item_identificationF-15SA
strap_accommodation_width2.0 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCAM STRAP BUCKLE
NSN5340-01-641-8666
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3648T71 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
•
BUCKLE STYLE DESIGNATOR: TIE DOWN
•
STRAP ACCOMMODATION WIDTH: 2.0 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC
•
SPECIFIC USAGE DESIGN: HEAVY DUTY-QUICK TIGHT BUCKLE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
BUCKLE STYLE DESIGNATORTIE DOWN
STRAP ACCOMMODATION WIDTH2.0 INCHES NOMINAL IN
SPECIAL FEATURES833 LBS WORKING LOAD LIMIT LBS
SURFACE TREATMENTZINC
SPECIFIC USAGE DESIGNHEAVY DUTY-QUICK TIGHT BUCKLE
PART NAME ASSIGNED BY CONTROLLING AGENCYCAM STRAP BUCKLE
END ITEM IDENTIFICATIONF-15SA
MATERIALSTEEL OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3648T71?
3648T71 is a BUCKLE.
What is the NSN for 3648T71?
3648T71 is cataloged in the U.S. Government catalog under NSN 5340-01-641-8666. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.