The Washer,convex, cataloged under National Stock Number 5310-01-372-5687, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-372-5687 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Style Designator | CONVEX |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material Thickness | 0.156 INCHES NOMINAL IN |
| Material | STEEL COMP 303 OVERALL |
| Hole Diameter | 0.196 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 |
| Reference | Meaning |
|---|---|
| 1372PD1090 | 5/9 Secondary reference Bae Systems Information and Electronic Systems Integration Inc. |
| PC6-4 | 3/9 Design control — primary reference W. M. Berg, Inc. |
NSN 5310-01-372-5687 is a Washer,convex, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-372-5687: Style Designator: CONVEX; Outside Diameter: 0.375 INCHES NOMINAL IN; Material Thickness: 0.156 INCHES NOMINAL IN; Material: STEEL COMP 303 OVERALL. 5 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.