The Washer,recessed, cataloged under National Stock Number 5310-01-253-3012, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-253-3012 |
| Primary Part Number | 68A411054-2007 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-S-5059,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Recess Diameter | 0.564 INCHES NOMINAL IN |
| Material | STEEL COMP 301 OR STEEL COMP 630 OVERALL |
| Hole Diameter | 0.386 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Recess Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 68A411054-2007 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-253-3012 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-253-3012 has 1 manufacturer part number on file: 68A411054-2007 (The Boeing Company Div Defense).
Key specifications for 68A411054-2007: Style Designator: RECESSED; Material Document and Classification: MIL-S-5059,1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5643 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 0.750 INCHES NOMINAL IN; Material Thickness: 0.125 INCHES NOMINAL IN. 8 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.