The Washer,flat, cataloged under National Stock Number 5310-01-499-3461, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul (CAGE 1EGS5) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-499-3461 |
| Primary Part Number | 55752005 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 55752005 PRIMARY | Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul (USA) |
| Reference | Meaning |
|---|---|
| 55752005 | 5/9 Secondary reference Fontaine Commercial Trailer, Inc. Dba Mht Floor Technologies (3dgr3) |
| 55752005 | 5/9 Secondary reference Fontaine Fifth Wheel Company |
NSN 5310-01-499-3461 is a Washer,flat, manufactured by Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-499-3461 has 1 manufacturer part number on file: 55752005 (Fontaine Commercial Trailer, Inc. Dba Fontaine Heavy Haul Div Fontaine Heavy Haul).
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.