The Washer,recessed, cataloged under National Stock Number 5310-00-445-8768, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Shapes Aluminum Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-445-8768 |
| Primary Part Number | 12H508-9 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Shapes Aluminum Products Inc |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 1.245 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Recess Diameter | 0.705 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.640 INCHES NOMINAL IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 12H508-9 | Shapes Aluminum Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 12H508-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-445-8768 is a Washer,recessed, manufactured by Shapes Aluminum Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-445-8768 has 1 manufacturer part number on file: 12H508-9 (Shapes Aluminum Products Inc).
Key specifications for 12H508-9: Style Designator: RECESSED; Outside Diameter: 1.245 INCHES NOMINAL IN; Material Thickness: 0.063 INCHES NOMINAL IN; Recess Diameter: 0.705 INCHES NOMINAL 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.