The Clamp,loop, cataloged under National Stock Number 5340-01-311-4808, 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 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-311-4808 |
| Primary Part Number | 7721731 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE BAND |
| Cushioning Environmental Protection | FLAME RESISTANT AND FUNGUS RESISTANT |
| Loop Width | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | MIL-R-3065 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-R-3065 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-I-631,TY F,FORM U,GR B,CL 1,CATEGORY 1 MIL SPEC 3RD MATERIAL RESPONSE CUSHION |
| Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.905 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.687 INCHES NOMINAL IN |
| Material | RUBBER NATURAL OR RUBBER SYNTHETIC OR PLASTIC POLYVINYLIDENE CHLORIDE CUSHION |
| Material | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL UNS K31545 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 BAND |
| Loop Length | 0.500 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 7721731 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 7752586 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-311-4808 is a Clamp,loop, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-311-4808 has 1 manufacturer part number on file: 7721731 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7721731: Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633 ASSN STD 2ND TREATMENT RESPONSE BAND; Cushioning Environmental Protection: FLAME RESISTANT AND FUNGUS RESISTANT; Loop Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Style Designator: MULTIPLE LOOP. 14 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.