The Washer,flat, cataloged under National Stock Number 5310-01-441-5190, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc (CAGE 1B6W6); Leslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-441-5190 |
| Primary Part Number | 38401 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls 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 |
|---|---|
| 38401 PRIMARY | Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc (USA) |
| 10/0.4.4 PN39 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 38401 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-441-5190 is a Washer,flat, manufactured by Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-441-5190 has 2 manufacturer part numbers on file: 38401 (Bermingham Controls, Inc., a California Corporation Dba Bermingham Controls Inc), 10/0.4.4 PN39 (Leslie Controls, Inc. Dba Leslie Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-654-3139. 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.