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503776 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

503776: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.257 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052 BAND, loop_length: 3.380 INCHES NOMINAL IN, overall_width: 1.000 INCHES NOMINAL IN, style_designator: RECTANGULAR, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-125-3422, 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
503776
NSN: 5340-01-125-3422
FSC: 5340 — Hardware, Commercial
CAGE: 20284 — AIMTRON SYSTEMS, LLC (USA)
SPECIFICATIONS
diameter0.257 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052 BAND
loop_length3.380 INCHES NOMINAL IN
overall_width1.000 INCHES NOMINAL IN
style_designatorRECTANGULAR
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCHROMATE BAND
material_thickness0.063 INCHES NOMINAL IN
smallest_loop_width1.057 INCHES NOMINAL IN
material_document_and_classificationMIL-R-6130 MIL SPEC SINGLE MATERIAL RESPONSE NUT
surface_treatment_document_and_classificationMIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A
NSN5340-01-125-3422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 503776 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A
•
SMALLEST LOOP WIDTH: 1.057 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6130 MIL SPEC SINGLE MATERIAL RESPONSE NUT
•
DIAMETER: 0.257 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A
SMALLEST LOOP WIDTH1.057 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6130 MIL SPEC SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE BAND
DIAMETER0.257 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
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 503776?
503776 is a CLAMP,LOOP.
What is the NSN for 503776?
503776 is cataloged in the U.S. Government catalog under NSN 5340-01-125-3422. 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.