The Washer,lock, cataloged under National Stock Number 5310-01-172-2060, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-172-2060 |
| Primary Part Number | 82A5027A1222 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | QQ-A-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.1 MILLIMETERS NOMINAL MM |
| Material Thickness | 0.2 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 2.7 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 82A5027A1222 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 5310-01-172-2060 is a Washer,lock, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-172-2060 has 1 manufacturer part number on file: 82A5027A1222 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 82A5027A1222: Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: QQ-A-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 5.1 MILLIMETERS NOMINAL MM. 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.