The Washer,recessed, cataloged under National Stock Number 5310-01-124-3105, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-124-3105 |
| Primary Part Number | 65664-06314-101 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Top Recess Diameter | 0.3146 INCHES MINIMUM AND 0.3246 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Bottom Recess Diameter | 0.3146 INCHES MINIMUM AND 0.3246 INCHES MAXIMUM IN |
| Top Recess Angle | 60.0 DEGREES NOMINAL |
| Style Designator | RECESSED BOTH SIDES |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5622 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.780 INCHES NOMINAL IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Bottom Recess Angle | 60.0 DEGREES NOMINAL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.290 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 |
|---|---|
| 65664-06314-101 | Massie R P and Sons Inc (USA) |
| 65664-06314-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 65664-06314 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 64-06314-101 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65664-06314-101 | 5/9 Secondary reference Triumph Actuation Systems - Connecticut, Llc |
| 65664-06314-101 | 5/9 Secondary reference U.S. Government activity |
| 65664-06314-101 | 5/9 Secondary reference S & L Aerospace Metals Llc |
NSN 5310-01-124-3105 is a Washer,recessed, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-124-3105 has 2 manufacturer part numbers on file: 65664-06314-101 (Massie R P and Sons Inc), 65664-06314-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65664-06314-101: Top Recess Diameter: 0.3146 INCHES MINIMUM AND 0.3246 INCHES MAXIMUM IN; Surface Treatment Document and Classification: SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Bottom Recess Diameter: 0.3146 INCHES MINIMUM AND 0.3246 INCHES MAXIMUM IN; Top Recess Angle: 60.0 DEGREES NOMINAL. 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.