The Washer,flat, cataloged under National Stock Number 5310-01-173-3629, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 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 | 5310-01-173-3629 |
| Primary Part Number | 75A430648-2001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Outside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment Document and Classification | PS.13201,TY.2,CL.1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.600 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | DEE |
| Width | 0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Thickness | 0.150 INCHES NOMINAL 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 |
|---|---|
| 75A430648-2001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 75A430648-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5310-01-173-3629 is a Washer,flat, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-173-3629 has 2 manufacturer part numbers on file: 75A430648-2001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 75A430648-2001 (The Boeing Company Div Defense).
Key specifications for 75A430648-2001: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Surface Treatment Document and Classification: PS.13201,TY.2,CL.1 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.600 INCHES NOMINAL IN. 13 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.