The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-00-596-4759, 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 12 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 | 5310-00-596-4759 |
| Primary Part Number | S10-10-3306 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Shoulder Height | 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | AN-S-684 COND C MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.344 INCHES MINIMUM AND 2.406 INCHES MAXIMUM IN |
| Recess Depth | 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Material Thickness | 0.065 INCHES NOMINAL IN |
| Shoulder Diameter | 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN |
| Recess Diameter | 1.818 INCHES MINIMUM AND 1.823 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Hole Diameter | 1.656 INCHES MINIMUM AND 1.719 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 |
|---|---|
| S10-10-3306 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5310-00-596-4759 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 5310-00-596-4759 has 1 manufacturer part number on file: S10-10-3306 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S10-10-3306: Shoulder Height: 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: AN-S-684 COND C MIL STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.