The Washer,shouldered, cataloged under National Stock Number 5310-00-209-6793, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-209-6793 |
| Primary Part Number | 255201-07 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Shoulder Height | 0.375 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-B-633 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-639 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.406 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Shoulder Diameter | 2.126 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN |
| Hole Diameter | 1.719 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 |
|---|---|
| 515P | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 255201-07 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 515P | 5/9 Secondary reference U.S. Government activity |
| 255201-07 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-00-209-6793 is a Washer,shouldered, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-6793 has 2 manufacturer part numbers on file: 515P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 255201-07 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 255201-07: Shoulder Height: 0.375 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: QQ-B-633 FED SPEC ALL MATERIAL RESPONSES OR QQ-B-639 FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 2.406 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.