The Washer,recessed, cataloged under National Stock Number 5310-01-455-1280, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is C & W Manufacturing Co Inc, the. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-455-1280 |
| Primary Part Number | CWM719 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | C & W Manufacturing Co Inc, the |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Outside Diameter | 6.07 MILLIMETERS MINIMUM AND 6.33 MILLIMETERS MAXIMUM MM |
| Material Thickness | 1.44 MILLIMETERS MINIMUM AND 1.70 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Recess Angle | 90.0 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 |
|---|---|
| CWM719 PRIMARY | C & W Manufacturing Co Inc, the (USA) |
| Reference | Meaning |
|---|---|
| FM1719 | 5/9 Secondary reference Forrest Machine, Inc. |
| 13210719 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-455-1280 is a Washer,recessed, manufactured by C & W Manufacturing Co Inc, the, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-455-1280 has 1 manufacturer part number on file: CWM719 (C & W Manufacturing Co Inc, the).
Key specifications for CWM719: Style Designator: RECESSED; Outside Diameter: 6.07 MILLIMETERS MINIMUM AND 6.33 MILLIMETERS MAXIMUM MM; Material Thickness: 1.44 MILLIMETERS MINIMUM AND 1.70 MILLIMETERS MAXIMUM MM; Surface Treatment: PASSIVATE OVERALL. 6 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.