The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-131-2958, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-131-2958 |
| Primary Part Number | 74A110681-2003 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shoulder Height | 0.140 INCHES NOMINAL IN |
| Outside Diameter | 2.900 INCHES NOMINAL IN |
| Shoulder Diameter | 1.830 INCHES NOMINAL IN |
| Recess Diameter | 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 0.312 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 74A110681-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A110681-2003 | Nwi Wichita Llc (USA) |
| 74A110681-2003 | Steelville Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 10109600 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-131-2958 is a Washer,shouldered and Recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-131-2958 has 3 manufacturer part numbers on file: 74A110681-2003 (The Boeing Company Div Defense), 74A110681-2003 (Nwi Wichita Llc), 74A110681-2003 (Steelville Manufacturing Co).
Key specifications for 74A110681-2003: Shoulder Height: 0.140 INCHES NOMINAL IN; Outside Diameter: 2.900 INCHES NOMINAL IN; Shoulder Diameter: 1.830 INCHES NOMINAL IN; Recess Diameter: 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM 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.