The Washer,flat, cataloged under National Stock Number 5310-01-603-2203, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hippo Power, Llc Div Hippo Multipower. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-603-2203 |
| Primary Part Number | G814FW |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hippo Power, Llc Div Hippo Multipower |
| Status | ACTIVE |
| Overall Diameter | 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | YELLOW OVERALL |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN |
| Thickness | 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM 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 |
|---|---|
| G814FW PRIMARY | Hippo Power, Llc Div Hippo Multipower (USA) |
NSN 5310-01-603-2203 is a Washer,flat, manufactured by Hippo Power, Llc Div Hippo Multipower, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-603-2203 has 1 manufacturer part number on file: G814FW (Hippo Power, Llc Div Hippo Multipower).
Key specifications for G814FW: Overall Diameter: 0.557 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Color: YELLOW OVERALL; Special Features: SPECIFIC MATL IS SAE GRADE 8. 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.