The Washer,flat, cataloged under National Stock Number 5310-00-832-8401, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-832-8401 |
| Primary Part Number | HCF789 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Overall Diameter | 2.875 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.390 INCHES NOMINAL IN |
| Thickness | 0.218 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 |
|---|---|
| HCF789 PRIMARY | Dana Off Highway Products, Llc (USA) |
| 8328401 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| HCF789 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 1815N2 | 5/9 Secondary reference Diamond Reo Truck Co |
NSN 5310-00-832-8401 is a Washer,flat, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-832-8401 has 2 manufacturer part numbers on file: HCF789 (Dana Off Highway Products, Llc), 8328401 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for HCF789: Overall Diameter: 2.875 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 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.