The Washer,flat, cataloged under National Stock Number 5310-01-601-9954, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-601-9954 |
| Primary Part Number | MW6350000A20000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company |
| Status | ACTIVE |
| Overall Diameter | 9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Special Test Features | DIMENSIONS: DIN 125,TYPE A,MATERIAL: A2 STAINLESS STEEL,HARDNESS: 140-250HV,FINISH: PER ASTM A380 |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 5.30 MILLIMETERS MINIMUM AND 5.48 MILLIMETERS MAXIMUM MM |
| Thickness | 0.9 MILLIMETERS MINIMUM AND 1.1 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| MW6350000A20000 | Fastenal Company Dba Fastenal Co (USA) |
| MW6350000A20000 PRIMARY | Fastenal Company (USA) |
| Reference | Meaning |
|---|---|
| 3601319 | D/9 Drawing number reference only Oshkosh Defense Llc |
NSN 5310-01-601-9954 is a Washer,flat, manufactured by Fastenal Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-601-9954 has 2 manufacturer part numbers on file: MW6350000A20000 (Fastenal Company Dba Fastenal Co), MW6350000A20000 (Fastenal Company).
Key specifications for MW6350000A20000: Overall Diameter: 9.64 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM; Special Test Features: DIMENSIONS: DIN 125,TYPE A,MATERIAL: A2 STAINLESS STEEL,HARDNESS: 140-250HV,FINISH: PER ASTM A380; Cross-Sectional Shape Style: RECTANGULAR; Special Features: BOLT SIZE:5M,FINISH: PLAIN,GRADE:A2,REACH:Y, ROHS:Y,SPECIFICATION:DIN 12STYLE,TYPE A,SYSTEM OF MEASUREMENT:METRIC,PRODUCT WEIGHT:0.1LBS LBS. 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.