The Washer,flat, cataloged under National Stock Number 5310-01-649-6973, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Deere & Company Dba Deere John Co Div John Deere Sabd & Government Sales. Government technical data includes 7 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 | 5310-01-649-6973 |
| Primary Part Number | M165321 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Deere & Company Dba Deere John Co Div John Deere Sabd & Government Sales |
| Status | ACTIVE |
| Overall Diameter | 1.8900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1018 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.5080 INCHES NOMINAL IN |
| Thickness | 0.1870 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 |
|---|---|
| M165321 PRIMARY | Deere & Company Dba Deere John Co Div John Deere Sabd & Government Sales (USA) |
NSN 5310-01-649-6973 is a Washer,flat, manufactured by Deere & Company Dba Deere John Co Div John Deere Sabd & Government Sales, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-649-6973 has 1 manufacturer part number on file: M165321 (Deere & Company Dba Deere John Co Div John Deere Sabd & Government Sales).
Key specifications for M165321: Overall Diameter: 1.8900 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: 1740-01-632-9476. 7 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.