The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-231-0290, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-231-0290 |
| Primary Part Number | 5144177 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Shoulder Height | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 0.970 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.650 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.502 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Recess Angle | 120.0 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 |
|---|---|
| 5144177 | Penske Australia Pty Ltd (AUS) |
| B5144177 | Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel (USA) |
| 5144177 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| K5144177 | 5/9 Secondary reference Korody-Colyer Corp a Cr Industries Co |
| 5310002310290 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5310002310290 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| PC5144177 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
NSN 5310-00-231-0290 is a Washer,shouldered and Recessed, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-231-0290 has 3 manufacturer part numbers on file: 5144177 (Penske Australia Pty Ltd), B5144177 (Federal-Mogul Corporation Dba Federal-Mogul Div Fp Diesel), 5144177 (Rolls-Royce Solutions America Inc).
Key specifications for 5144177: Shoulder Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 0.970 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Material Thickness: 0.027 INCHES MINIMUM AND 0.033 INCHES MAXIMUM 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.