The Clamp,loop, cataloged under National Stock Number 5340-01-581-4239, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-581-4239 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2700, METHOD 1, TYPE 6OR 7, CLASS1 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Loop Width | 0.500 INCHES NOMINAL IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | AMS 5516 OR MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Diameter | 0.219 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.000 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Loop Length | 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 |
|---|---|
| NAS1712C20-23N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1712 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5340-01-581-4239 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-581-4239: Surface Treatment Document and Classification: AMS 2700, METHOD 1, TYPE 6OR 7, CLASS1 ASSN STD ALL TREATMENT RESPONSES OVERALL; Loop Width: 0.500 INCHES NOMINAL IN; Style Designator: MULTIPLE LOOP; Material Document and Classification: AMS 5516 OR MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL. 11 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.