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343 4931 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

343 4931: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.394 INCHES NOMINAL IN, overall_width: 1.969 INCHES NOMINAL IN, overall_length: 2.362 INCHES NOMINAL IN, style_designator: SADDLE MOUNT, tongue_hole_type: ROUND, UNTHREADED, loop_inside_diameter: 0.512 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-157-7447, 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
343 4931
NSN: 5340-01-157-7447
FSC: 5340 — Hardware, Commercial
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
diameter0.394 INCHES NOMINAL IN
overall_width1.969 INCHES NOMINAL IN
overall_length2.362 INCHES NOMINAL IN
style_designatorSADDLE MOUNT
tongue_hole_typeROUND, UNTHREADED
loop_inside_diameter0.512 INCHES NOMINAL IN
length_between_fasteners1.575 INCHES NOMINAL IN
NSN5340-01-157-7447
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 343 4931 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: SADDLE MOUNT
•
DIAMETER: 0.394 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
LENGTH BETWEEN FASTENERS: 1.575 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.512 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSADDLE MOUNT
DIAMETER0.394 INCHES NOMINAL IN
OVERALL LENGTH2.362 INCHES NOMINAL IN
OVERALL WIDTH1.969 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
LENGTH BETWEEN FASTENERS1.575 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.512 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 1
2AW657Same 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 343 4931?
343 4931 is a CLAMP,LOOP.
What parts can replace 343 4931?
There is 1 known substitute for 343 4931: 2AW657. Substitute compatibility should be verified for your specific system.
What is the NSN for 343 4931?
343 4931 is cataloged in the U.S. Government catalog under NSN 5340-01-157-7447. 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.