The Fastener,positive Lock, cataloged under National Stock Number 5325-01-610-3526, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-610-3526 |
| Primary Part Number | 354-190001-01 |
| Item Name | Fastener,positive Lock |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher |
| Status | ACTIVE |
| Shoulder Height | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| End Overall Length | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Stud Shank Hole Diameter | 0.180 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN |
| Stud Shank Overall Height | 0.560 INCHES NOMINAL IN |
| Positive Lock Stud Head Style | STUD HEAD |
| Head Diameter | 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 354-190001-01 PRIMARY | West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher (USA) |
| Reference | Meaning |
|---|---|
| 354-190001-01 | 3/9 Design control — primary reference West Coast Lockwasher Co Dba W C L Co |
NSN 5325-01-610-3526 is a Fastener,positive Lock, manufactured by West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-610-3526 has 1 manufacturer part number on file: 354-190001-01 (West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher).
Key specifications for 354-190001-01: Shoulder Height: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; End Overall Length: 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Stud Shank Hole Diameter: 0.180 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: IUID MIL CASE RIVET. 6 specifications are documented in the U.S. Government catalog.
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.