The Washer,lock, cataloged under National Stock Number 5310-01-616-0148, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-616-0148 |
| Primary Part Number | 0129521 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ZINC-FLAKE,DELTA PROTEKT(REG) MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Style Designator | TWO PIECE INTERLOCKING |
| Outside Diameter | 1.54 INCHES NOMINAL IN |
| Color | SILVER OVERALL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.00 INCHES NOMINAL 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 |
|---|---|
| CC-0008918 | Independent Rough Terrain Center Llc (USA) |
| 0129521 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-616-0148 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-0148 has 2 manufacturer part numbers on file: CC-0008918 (Independent Rough Terrain Center Llc), 0129521 (Fastenal Company Dba Fastenal Co).
Key specifications for 0129521: Overall Height: 0.130 INCHES NOMINAL IN; Surface Treatment Document and Classification: ZINC-FLAKE,DELTA PROTEKT(REG) MFR REF SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: TWO PIECE INTERLOCKING. 8 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.