The Washer,flat, cataloged under National Stock Number 5310-01-232-1464, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (CAGE 30205) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-232-1464 |
| Primary Part Number | K659449-11 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| 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 |
|---|---|
| K659449-11 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0153188 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| K659449-11 | 5/9 Secondary reference Recon/optical, Inc. |
| K659449-11 | 5/9 Secondary reference Pacific E/o Center a Div of Recon/optical Inc |
| K659449-11 | 5/9 Secondary reference Blaisdell Mfg Inc |
| K659449-11 | 3/2 Design control — primary reference U.S. Government activity |
| K659449-11 | 5/9 Secondary reference Aerofab Inc |
NSN 5310-01-232-1464 is a Washer,flat, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-232-1464 has 1 manufacturer part number on file: K659449-11 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing).
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.