The Washer,flat, cataloged under National Stock Number 5310-01-230-4612, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Neptune Chemical Pump Co, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Neptune Chemical Pump Co, Inc (CAGE 4AJ27) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-230-4612 |
| Primary Part Number | 100252 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Neptune Chemical Pump Co, Inc |
| 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 |
|---|---|
| 100252 PRIMARY | Neptune Chemical Pump Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 505 F0R 515-S-N3-EX3 | 5/9 Secondary reference Neptune Chemical Pump Co Div of R a Industries Inc |
NSN 5310-01-230-4612 is a Washer,flat, manufactured by Neptune Chemical Pump Co, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-230-4612 has 1 manufacturer part number on file: 100252 (Neptune Chemical Pump Co, Inc).
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.