The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-147-4917, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-147-4917 |
| Primary Part Number | 319890 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Shoulder Height | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Outside Diameter | 1.747 INCHES MINIMUM AND 1.753 INCHES MAXIMUM IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Shoulder Diameter | 1.490 INCHES MINIMUM AND 1.495 INCHES MAXIMUM IN |
| Recess Diameter | 0.874 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| Hole Diameter | 0.755 INCHES MINIMUM AND 0.759 INCHES MAXIMUM IN |
| Recess Angle | 57.0 DEGREES MINIMUM AND 60.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 319890 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 319890 | 5/9 Secondary reference U.S. Government activity |
| 319890 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 5310-01-147-4917 is a Washer,shouldered and Recessed, manufactured by Brp Us Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-147-4917 has 1 manufacturer part number on file: 319890 (Brp Us Inc).
Key specifications for 319890: Shoulder Height: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM; Style Designator: SHOULDERED AND RECESSED; Outside Diameter: 1.747 INCHES MINIMUM AND 1.753 INCHES MAXIMUM IN. 11 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.