The Washer,lock, cataloged under National Stock Number 5310-01-133-7241, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-133-7241 |
| Primary Part Number | 40-0039301 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.683 INCHES MAXIMUM IN |
| Material Thickness | 0.094 INCHES MINIMUM IN |
| Surface Treatment | DICHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.382 INCHES MINIMUM AND 0.393 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 |
|---|---|
| 40-0039301 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 2012-04022 | 5/9 Secondary reference Hercules Engine Co Inc |
| 2012-04022 | 5/9 Secondary reference Brinkley Technology Group Llc Dba Hercules Manufacturing |
NSN 5310-01-133-7241 is a Washer,lock, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-133-7241 has 1 manufacturer part number on file: 40-0039301 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 40-0039301: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.683 INCHES MAXIMUM IN; Material Thickness: 0.094 INCHES MINIMUM 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.