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AS3257-24 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3257-24: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING BAND, overall_width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-270-4308, 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
AS3257-24
NSN: 5340-01-270-4308
FSC: 5340 — Hardware, Commercial
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
diameter0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING BAND
overall_width0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
loop_inside_diameter1.344 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end1.374 INCHES MINIMUM AND 1.404 INCHES MAXIMUM IN
center_to_center_distance_between_loop_and_mounting_hole1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM IN
NSN5340-01-270-4308
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3257-24 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
DIAMETER: 0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.374 INCHES MINIMUM AND 1.404 INCHES MAXIMUM IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING BAND
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
OVERALL WIDTH0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
MATERIAL THICKNESS0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.374 INCHES MINIMUM AND 1.404 INCHES MAXIMUM IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING BAND
LOOP INSIDE DIAMETER1.344 INCHES NOMINAL IN
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3257-24?
AS3257-24 is a CLAMP,LOOP.
What is the NSN for AS3257-24?
AS3257-24 is cataloged in the U.S. Government catalog under NSN 5340-01-270-4308. This indicates validated use in U.S. government and defense supply chains.
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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.