The Clamp,loop, cataloged under National Stock Number 5340-00-321-5921, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-321-5921 |
| Primary Part Number | 7700263 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-S-640,T2 OR T5 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.313 INCHES NOMINAL IN |
| Material Thickness | 0.0598 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.875 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.375 INCHES NOMINAL IN |
| Material | STEEL BAND |
| Loop Inside Diameter | 1.656 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5340-00-321-5921 is a Clamp,loop, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-321-5921 has 2 manufacturer part numbers on file: 7700263 (U S Army Tank Automotive Command Amsta-Im-Mm), 486235 (Stewart-Warner Corporation).
Key specifications for 7700263: Style Designator: SINGLE LOOP; Material Document and Classification: QQ-S-640,T2 OR T5 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.313 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.