The Washer,flat, cataloged under National Stock Number 5310-01-327-9710, 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. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-327-9710 |
| Primary Part Number | H851R |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Overall Diameter | 1.406 INCHES NOMINAL IN |
| Hardness Rating | 22.0 BRINELL HULTGREN MINIMUM AND 31.0 BRINELL HULTGREN MAXIMUM |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 1100 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.141 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 |
|---|---|
| H851R PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| H851 | 5/9 Secondary reference Deere & Company Dba Deere John Co |
NSN 5310-01-327-9710 is a Washer,flat, manufactured by Deere & Company Dba Deere John Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-327-9710 has 1 manufacturer part number on file: H851R (Deere & Company Dba Deere John Co).
Key specifications for H851R: Overall Diameter: 1.406 INCHES NOMINAL IN; Hardness Rating: 22.0 BRINELL HULTGREN MINIMUM AND 31.0 BRINELL HULTGREN MAXIMUM; Peripheral Shape Style: ROUND; Material: ALUMINUM ALLOY 1100 OVERALL. 6 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.