The Clamp,loop, cataloged under National Stock Number 5340-01-252-1457, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-252-1457 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Lug Hole Diameter | 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE THUMBSCREW |
| Cushioning Environmental Protection | HEAT |
| Fastening Device Type | THUMB HEAD SCREW |
| Style Designator | CLAMP & BRACKET |
| Material Document and Classification | MIL-C-85052/1 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.910 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Holes | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BAND |
| Surface Treatment | PASSIVATE THUMBSCREW |
| Center to Center Distance Between Loop and Mounting Hole | 1.510 INCHES MINIMUM AND 1.550 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE NITRILE CUSHION |
| Material | STEEL COMP 631 OR STEEL COMP 321 BAND |
| Material | STEEL COMP 631 THUMBSCREW |
| Loop Inside Diameter | 2.000 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 |
| Reference | Meaning |
|---|---|
| TA103004B32NB02 | 5/2 Secondary reference U.S. Government activity |
| ST45D41-32 | 3/9 Design control — primary reference Lockheed Martin Corp |
NSN 5340-01-252-1457 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-252-1457: Lug Hole Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BAND; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE THUMBSCREW; Cushioning Environmental Protection: HEAT. 17 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.