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290249 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

290249: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.281 INCHES NOMINAL IN, overall_width: 0.500 INCHES NOMINAL IN, special_features: CUSHION PROVIDED 0.062 IN. THK BY 0.720 IN.

W IN, style_designator: OFFSET MOUNT, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-276-6738, 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
290249
NSN: 5340-01-276-6738
FSC: 5340 — Hardware, Commercial
CAGE: 24234 — AUSTIN-WESTRAN LLC (USA)
SPECIFICATIONS
diameter0.281 INCHES NOMINAL IN
overall_width0.500 INCHES NOMINAL IN
special_featuresCUSHION PROVIDED 0.062 IN. THK BY 0.720 IN. W IN
style_designatorOFFSET MOUNT
tongue_hole_typeROUND, UNTHREADED
material_thickness0.031 INCHES NOMINAL IN
loop_inside_diameter0.380 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end1.010 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.700 INCHES NOMINAL IN
NSN5340-01-276-6738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 290249 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: OFFSET MOUNT
•
DIAMETER: 0.281 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.010 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.700 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATOROFFSET MOUNT
DIAMETER0.281 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.010 INCHES NOMINAL IN
SPECIAL FEATURESCUSHION PROVIDED 0.062 IN. THK BY 0.720 IN. W IN
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.700 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.380 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 290249?
290249 is a CLAMP,LOOP.
What is the NSN for 290249?
290249 is cataloged in the U.S. Government catalog under NSN 5340-01-276-6738. 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.