The Washer,lock, cataloged under National Stock Number 5310-00-574-8937, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-574-8937 |
| Primary Part Number | 124741 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Style Designator | COUNTERSINK EXTERNAL TEETH |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.094 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 |
|---|---|
| 124741 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 124741 | 5/9 Secondary reference At and T Corp |
NSN 5310-00-574-8937 is a Washer,lock, manufactured by Telemechanics Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-574-8937 has 1 manufacturer part number on file: 124741 (Telemechanics Inc).
Key specifications for 124741: Style Designator: COUNTERSINK EXTERNAL TEETH; Outside Diameter: 0.188 INCHES NOMINAL IN; Material Thickness: 0.016 INCHES NOMINAL IN; Countersink Angle: 60.0 DEGREES NOMINAL. 6 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.