The Washer,flat, cataloged under National Stock Number 5310-00-089-4196, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-089-4196 |
| Primary Part Number | A418X6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| Status | ACTIVE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Surface Treatment | PAINT OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.515 INCHES NOMINAL IN |
| Thickness | 0.030 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 |
|---|---|
| A418X6 PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
| Reference | Meaning |
|---|---|
| 853130252 | 5/9 Secondary reference Bomag Usa Sub of United Dominion Industries Ltd |
| 9033418 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-089-4196 is a Washer,flat, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-089-4196 has 1 manufacturer part number on file: A418X6 (David Brown Hydraulics Inc Dba Hydreco).
Key specifications for A418X6: Overall Diameter: 0.812 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL; Surface Treatment: PAINT OVERALL. 9 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.