The Washer,flat, cataloged under National Stock Number 5310-01-466-6091, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-466-6091 |
| Primary Part Number | 211052083 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| 751-6402402 ITEM 53 | Naval Sea Systems Command (USA) |
| 211052083 PRIMARY | Naval Sea Systems Command (USA) |
| 6402952 IT 1 | Naval Sea Systems Command (USA) |
| 751-6402952-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6402952 IT 1 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 751-6402407 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402404-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402402-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402406-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402406 ITEM 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402403-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402407-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402404 ITEM 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402408-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402952 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402403 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402406 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 6402402 | D/9 Drawing number reference only Naval Sea Systems Command |
| 751-6402401 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402402 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402404 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402408 FIND 53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402401-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402405-53 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5310-01-466-6091 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-466-6091 has 4 manufacturer part numbers on file: 751-6402402 ITEM 53 (Naval Sea Systems Command), 211052083 (Naval Sea Systems Command), 6402952 IT 1 (Naval Sea Systems Command), 751-6402952-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-501-2789. Verify interchangeability with system specifications before substitution.
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.