The Clamp,loop, cataloged under National Stock Number 5340-01-443-1317, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-443-1317 |
| Primary Part Number | 211791 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541, CL 1A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN |
| Material Thickness | 0.1250 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Holes | 3.0310 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Tongue Hole Type | ROUND, UNTHREADED |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 211791 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-01-443-1317 is a Clamp,loop, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-443-1317 has 1 manufacturer part number on file: 211791 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-468-8376. Verify interchangeability with system specifications before substitution.
Key specifications for 211791: Surface Treatment Document and Classification: MIL-C-5541, CL 1A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A; Style Designator: SINGLE LOOP; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.2010 INCHES MINIMUM AND 0.2090 INCHES MAXIMUM IN. 9 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.