The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-015-1701, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Palomar Products, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-015-1701 |
| Primary Part Number | 3359739 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Palomar Products, Inc. |
| Status | ACTIVE |
| Shoulder Height | 0.105 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Shoulder Diameter | 1.050 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 AND STEEL COMP 301 OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 3359739 PRIMARY | Palomar Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3359739 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-015-1701 is a Washer,shouldered and Recessed, manufactured by Palomar Products, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-015-1701 has 1 manufacturer part number on file: 3359739 (Palomar Products, Inc.).
Key specifications for 3359739: Shoulder Height: 0.105 INCHES NOMINAL IN; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE AND QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.250 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL IN. 9 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.