The Clamp,loop, cataloged under National Stock Number 5340-01-643-3246, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-643-3246 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Cushioning Environmental Protection | WEATHER RESISTANT |
| Loop Width | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | QQ-A-250/2 TEMPER T4 OR T42 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 3.121 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 2.902 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Length | 2.500 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 |
| Reference | Meaning |
|---|---|
| NAS1714 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1714D2-20NW | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-643-3246 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-643-3246: Cushioning Environmental Protection: WEATHER RESISTANT; Loop Width: 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN; Style Designator: MULTIPLE LOOP; Material Document and Classification: QQ-A-250/2 TEMPER T4 OR T42 FED SPEC SINGLE MATERIAL RESPONSE BAND. 12 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.