The Fastener,positive Lock, cataloged under National Stock Number 5325-01-184-6220, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Fastener,positive Lock |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | The Boeing Company (CAGE 8V613); Willbrandt Kg (CAGE D0789) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-184-6220 |
| Primary Part Number | HS4897-101 |
| Item Name | Fastener,positive Lock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company |
| 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 |
|---|---|
| HS4897-101 | The Boeing Company (USA) |
| 21953-3 | Willbrandt Kg (DEU) |
| Reference | Meaning |
|---|---|
| 21953-3 | 3/2 Design control — primary reference U.S. Government activity |
| HS4897-101 | 3/9 Design control — primary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5325-01-184-6220 is a Fastener,positive Lock, manufactured by The Boeing Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-184-6220 has 2 manufacturer part numbers on file: HS4897-101 (The Boeing Company), 21953-3 (Willbrandt Kg).
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.