The Washer,flat, cataloged under National Stock Number 5310-01-374-9246, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mpc Products Corporation Dba Woodward Mpc, Inc.. Government technical data includes 8 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 | 5310-01-374-9246 |
| Primary Part Number | 999-4560-309A |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mpc Products Corporation Dba Woodward Mpc, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.219 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766 CLASS 302 COND H ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OVERALL |
| Center Hole Shape Style | ROUND |
| Thickness | 0.014 INCHES MINIMUM AND 0.016 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 |
|---|---|
| 999-4560-309A PRIMARY | Mpc Products Corporation Dba Woodward Mpc, Inc. (USA) |
NSN 5310-01-374-9246 is a Washer,flat, manufactured by Mpc Products Corporation Dba Woodward Mpc, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-374-9246 has 1 manufacturer part number on file: 999-4560-309A (Mpc Products Corporation Dba Woodward Mpc, Inc.).
Key specifications for 999-4560-309A: Overall Diameter: 0.219 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766 CLASS 302 COND H ASSN STD 1ST MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL. 8 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.