The Washer,shouldered, cataloged under National Stock Number 5310-01-376-4780, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-376-4780 |
| Primary Part Number | 90105-3 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation |
| Status | ACTIVE |
| Shoulder Height | 0.040 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Outside Diameter | 0.440 INCHES NOMINAL IN |
| Shoulder Diameter | 0.240 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Hole Diameter | 0.143 INCHES NOMINAL IN |
| 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 |
|---|---|
| 90105-3 PRIMARY | Hamilton Sundstrand Corporation (USA) |
| Reference | Meaning |
|---|---|
| 90105-3 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
| 90105-3 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5310-01-376-4780 is a Washer,shouldered, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-376-4780 has 1 manufacturer part number on file: 90105-3 (Hamilton Sundstrand Corporation).
Key specifications for 90105-3: Overall Height: 0.100 INCHES NOMINAL IN; Shoulder Height: 0.040 INCHES NOMINAL IN; Style Designator: SHOULDERED; Outside Diameter: 0.440 INCHES NOMINAL IN. 6 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.