The Clamp,loop, cataloged under National Stock Number 5340-01-591-2591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-591-2591 |
| Primary Part Number | AS21919WDF35 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Material Diameter | 0.062 INCHES NOMINAL IN |
| Style Designator | SINGLE LOOP |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Loop Inside Diameter | 2.125 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 |
| Part Number | Manufacturer |
|---|---|
| AS21919WDF35 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS21919 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS21919WDF35 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-591-2591 is a Clamp,loop, manufactured by Sae International Dba Sae International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-591-2591 has 1 manufacturer part number on file: AS21919WDF35 (Sae International Dba Sae International).
Key specifications for AS21919WDF35: Temp Rating: 275.0 FAHRENHEIT DEGF; Material Diameter: 0.062 INCHES NOMINAL IN; Style Designator: SINGLE LOOP; Material Thickness: 0.062 INCHES NOMINAL IN. 6 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.