The Clamp,loop, cataloged under National Stock Number 5340-00-663-1973, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-663-1973 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Cushioning Environmental Protection | HEAT |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-S-636,COND 4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.0285 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.169 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 3 TYPE AND A CLASS |
| Surface Treatment | CADMIUM BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.951 INCHES NOMINAL IN |
| Material | RUBBER CUSHION |
| Material | STEEL COMP 1017 BAND |
| Loop Inside Diameter | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM 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 |
|---|---|
| MS21919H18 | 2/2 Government specification standardization U.S. Government activity |
| AN742H18C | 5/1 Secondary reference U.S. Government activity |
NSN 5340-00-663-1973 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-663-1973: Cushioning Environmental Protection: HEAT; Style Designator: SINGLE LOOP; Material Document and Classification: QQ-S-636,COND 4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.204 INCHES NOMINAL IN. 13 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.