The Washer,recessed, cataloged under National Stock Number 5310-01-174-0559, 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 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-174-0559 |
| Primary Part Number | 65130-07405-101 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Material Document and Classification | L-P-410,6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Material Thickness | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Hole Diameter | 0.520 INCHES NOMINAL IN |
| Recess Angle | 90.0 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 |
|---|---|
| 65130-07405-101 | Rotair Aerospace Corp (USA) |
| 65130-07405-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65130-07405-101 | Hartford Aircraft Products, Inc (USA) |
NSN 5310-01-174-0559 is a Washer,recessed, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-174-0559 has 3 manufacturer part numbers on file: 65130-07405-101 (Rotair Aerospace Corp), 65130-07405-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65130-07405-101 (Hartford Aircraft Products, Inc).
Key specifications for 65130-07405-101: Material Document and Classification: L-P-410,6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.500 INCHES NOMINAL IN; Material Thickness: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Special Features: TAB OUTSIDE EDGE ON FACE 0.100 IN. LG 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.