The Washer,recessed, cataloged under National Stock Number 5310-00-236-1255, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 10 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 | 5310-00-236-1255 |
| Primary Part Number | 1583809 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 3,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Material Thickness | 0.190 INCHES NOMINAL IN |
| Recess Diameter | 0.507 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM IN |
| Recess Angle | 100.0 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 |
|---|---|
| 1583809 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 5310-00-236-1255 is a Washer,recessed, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-236-1255 has 1 manufacturer part number on file: 1583809 (Raytheon Company Div Rmd Strategic).
Key specifications for 1583809: Surface Treatment Document and Classification: MIL-A-8625,TY 3,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.750 INCHES NOMINAL IN. 10 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.