The Washer,lock, cataloged under National Stock Number 5310-01-481-7030, 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 | 5310-01-481-7030 |
| Primary Part Number | 93010H0003 |
| 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 | ASTMB633FE/ZN12,SC3,TYPE1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | SAE1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.865 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 2.010 INCHES MINIMUM AND 2.030 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 |
|---|---|
| 93010H0003 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
NSN 5310-01-481-7030 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 5310-01-481-7030 has 1 manufacturer part number on file: 93010H0003 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 93010H0003: Surface Treatment Document and Classification: ASTMB633FE/ZN12,SC3,TYPE1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: SAE1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.865 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN. 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.