The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-333-5516, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-333-5516 |
| Primary Part Number | 61350-24064-103 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Finish | 20.0 MICROINCHES TOP |
| Shoulder Height | 0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.140 INCHES NOMINAL IN |
| Material Thickness | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Shoulder Diameter | 2.475 INCHES NOMINAL IN |
| Recess Diameter | 2.3535 INCHES MINIMUM AND 2.3540 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 OVERALL |
| Hole Diameter | 2.2535 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN |
| Recess Angle | 80.0 DEGREES MINIMUM AND 100.0 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 |
|---|---|
| PL61350-24064-103 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 61350-24064-103 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5310-01-333-5516 is a Washer,shouldered and Recessed, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-333-5516 has 2 manufacturer part numbers on file: PL61350-24064-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 61350-24064-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 61350-24064-103: Surface Finish: 20.0 MICROINCHES TOP; Shoulder Height: 0.139 INCHES MINIMUM AND 0.152 INCHES MAXIMUM IN; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.