The Strap,carrier Exten, cataloged under National Stock Number 5340-01-539-5587, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Avon Protection Systems Incorporated Dba Avon Protection Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-539-5587 |
| Primary Part Number | 71021/4 |
| Item Name | Strap,carrier Exten |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 71021/4 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 2-6-0872 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-539-5587 is a Strap,carrier Exten, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-539-5587 has 1 manufacturer part number on file: 71021/4 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 71021/4: End Item Identification: MASK SYSTEM,CHEMICA. 0 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.