The Fastner,hook, cataloged under National Stock Number 5325-01-181-5237, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Velcro Usa 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fastner,hook |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Velcro Usa Inc (CAGE 11153) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-181-5237 |
| Primary Part Number | 190556 |
| Item Name | Fastner,hook |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Velcro Usa Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 190556 PRIMARY | Velcro Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 100-080-320-0140AA | 5/9 Secondary reference Velcro Usa Inc |
NSN 5325-01-181-5237 is a Fastner,hook, manufactured by Velcro Usa Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-181-5237 has 1 manufacturer part number on file: 190556 (Velcro Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 3439-01-323-3491. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.