The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-409-9031, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-409-9031 |
| Primary Part Number | B5144178 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel |
| Status | ACTIVE |
| Shoulder Height | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.530 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.379 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN |
| Recess Angle | 270.0 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 |
|---|---|
| 5144178 | Rolls-Royce Solutions America Inc (USA) |
| B5144178 PRIMARY | Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel (USA) |
| Reference | Meaning |
|---|---|
| 5310004099031 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 5310004099031 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| PC5144178 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 5310-00-409-9031 is a Washer,shouldered and Recessed, manufactured by Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-409-9031 has 2 manufacturer part numbers on file: 5144178 (Rolls-Royce Solutions America Inc), B5144178 (Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel).
Key specifications for B5144178: Shoulder Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 0.680 INCHES NOMINAL IN; Material Thickness: 0.027 INCHES MINIMUM AND 0.033 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.