The Washer,recessed, cataloged under National Stock Number 5310-00-026-6447, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 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 | 5310-00-026-6447 |
| Primary Part Number | 730256PC3 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Heat Treatment | AS FABRICATED |
| Style Designator | RECESSED |
| Outside Diameter | 0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Recess Depth | 0.109 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM 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 |
|---|---|
| 730256PC3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-026-6447 is a Washer,recessed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-026-6447 has 1 manufacturer part number on file: 730256PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 730256PC3: Overall Height: 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Style Designator: RECESSED; Outside Diameter: 0.690 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN. 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.