The Washer,lock, cataloged under National Stock Number 5310-00-140-6508, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Egoltronics Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-140-6508 |
| Primary Part Number | 401-13-008 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Egoltronics Corporation |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.253 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.141 INCHES MINIMUM AND 0.151 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 |
|---|---|
| 401-13-008 PRIMARY | Egoltronics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 401-13-008 | 3/9 Design control — primary reference Logetronics Corporation |
NSN 5310-00-140-6508 is a Washer,lock, manufactured by Egoltronics Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-140-6508 has 1 manufacturer part number on file: 401-13-008 (Egoltronics Corporation).
Key specifications for 401-13-008: Heat Treatment: AS FABRICATED; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.253 INCHES MAXIMUM IN; Material Thickness: 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN. 7 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.