The Washer,flat, cataloged under National Stock Number 5310-00-252-9491, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-252-9491 |
| Primary Part Number | 723225-531 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Overall Diameter | 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.385 INCHES MINIMUM AND 0.401 INCHES MAXIMUM 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 |
|---|---|
| 723225-531 | Raytheon Company (USA) |
| 723225-531 | Raytheon Company Dba Raytheon Co (USA) |
| 723225-531 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| WA103W1N5723 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-252-9491 is a Washer,flat, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-252-9491 has 3 manufacturer part numbers on file: 723225-531 (Raytheon Company), 723225-531 (Raytheon Company Dba Raytheon Co), 723225-531 (Raytheon Company Div Rmd Strategic).
Key specifications for 723225-531: Overall Diameter: 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Material Document and Classification: L-P-410 FED 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.