The Washer,shouldered, cataloged under National Stock Number 5310-00-230-3183, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-230-3183 |
| Primary Part Number | 64658-03113-101 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES TOP |
| Surface Finish | 63.0 MICROINCHES OUTER |
| Shoulder Height | 0.115 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-A-225/9,ALLOY 7075,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.550 INCHES MINIMUM AND 1.551 INCHES MAXIMUM IN |
| Material Thickness | 0.150 INCHES NOMINAL IN |
| Shoulder Diameter | 1.290 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 1.057 INCHES MINIMUM AND 1.0574 INCHES MAXIMUM 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 |
|---|---|
| 64658-03113-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5310-00-230-3183 is a Washer,shouldered, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-230-3183 has 1 manufacturer part number on file: 64658-03113-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 64658-03113-101: Surface Finish: 16.0 MICROINCHES TOP; Surface Finish: 63.0 MICROINCHES OUTER; Shoulder Height: 0.115 INCHES NOMINAL IN; Style Designator: SHOULDERED. 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.