The Loop,strap Fastener, cataloged under National Stock Number 5340-01-022-8522, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-022-8522 |
| Primary Part Number | GC21E1 |
| Item Name | Loop,strap Fastener |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Inside Width | 0.188 INCHES NOMINAL IN |
| Inside Length | 0.563 INCHES NOMINAL IN |
| Style Designator | RECTANGLE |
| Material Document and Classification | QQ-A-250/2, TEMPER H14 FED SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 26512-GC21 MANUFACTURERS SPECIFICATION |
| Painted Feature | NOT INCLUDED |
| Outside Width | 0.288 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 3003 |
| 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 |
|---|---|
| GC21E1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123AV12137-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 123AV12137-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-022-8522 is a Loop,strap Fastener, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-022-8522 has 1 manufacturer part number on file: GC21E1 (Northrop Grumman Systems Corporation).
Key specifications for GC21E1: Inside Width: 0.188 INCHES NOMINAL IN; Inside Length: 0.563 INCHES NOMINAL IN; Style Designator: RECTANGLE; Material Document and Classification: QQ-A-250/2, TEMPER H14 FED SPEC SINGLE MATERIAL RESPONSE. 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.