The Washer,flat, cataloged under National Stock Number 5310-00-891-5877, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-891-5877 |
| Primary Part Number | 723225-521 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Overall Diameter | 0.701 INCHES NOMINAL IN |
| Material Document and Classification | MIL-M-20693 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.180 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 723225-521 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| 10653503-4 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 10653503 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 723225-521 | 5/9 Secondary reference Master Washer and Stamping Co |
| 723225-521 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-891-5877 is a Washer,flat, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-891-5877 has 3 manufacturer part numbers on file: 723225-521 (Raytheon Company Div Rmd Strategic), 10653503-4 (Us Army Aviation and Missile Command), 10653503 (Us Army Aviation and Missile Command).
Key specifications for 723225-521: Overall Diameter: 0.701 INCHES NOMINAL IN; Material Document and Classification: MIL-M-20693 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.