The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-130-7902, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 9 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 | 5310-00-130-7902 |
| Primary Part Number | W511 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Shoulder Height | 0.160 INCHES NOMINAL IN |
| Heat Treatment | F-AS FABRICATED |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 2.750 INCHES NOMINAL IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| Shoulder Diameter | 1.430 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Hole Diameter | 0.191 INCHES NOMINAL IN |
| Recess Angle | 45.0 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 |
|---|---|
| W511 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5310-00-130-7902 is a Washer,shouldered and Recessed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-130-7902 has 1 manufacturer part number on file: W511 (Naval Inventory Control Point Mechanicsburg).
Key specifications for W511: Shoulder Height: 0.160 INCHES NOMINAL IN; Heat Treatment: F-AS FABRICATED; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 2.750 INCHES NOMINAL IN. 9 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.