The Upgunned Weapons Station (ugws), cataloged under National Stock Number 1010-01-233-9493, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1010-01-233-9493 |
| Primary Part Number | 6289443 |
| Item Name | Upgunned Weapons Station (ugws) |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | MOUNTS MK19 MOD 3 40MM MACHINE GUN AND M2 .50 CALIBER HEAVY BARREL MACHINE GUN. TWO BANKS FOUR EACH M257 SMOKE GRENADE. OPERATION IS MANUAL. WEAPONS ARE FIRED ELECTRICALLY BUT MAY BE FIRED MANUAL. USED TO SUPPORT AAVP7A1 MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 6289443 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 419016 | 5/9 Secondary reference Cadillac Gage Textron Inc. |
NSN 1010-01-233-9493 is a Upgunned Weapons Station (ugws), manufactured by Naval Sea Systems Command, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
NSN 1010-01-233-9493 has 1 manufacturer part number on file: 6289443 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-332-4548. Verify interchangeability with system specifications before substitution.
Key specifications for 6289443: General Characteristics Item Description: MOUNTS MK19 MOD 3 40MM MACHINE GUN AND M2 .50 CALIBER HEAVY BARREL MACHINE GUN. TWO BANKS FOUR EACH M257 SMOKE GRENADE. OPERATION IS MANUAL. WEAPONS ARE FIRED ELECTRICALLY BUT MAY BE FIRED MANUAL. USED TO SUPPORT AAVP7A1 MM; Part Name Assigned by Controlling Agency: MACHINE GUN,40MM GRENADE,MK19 MOD 4 UPGUNNED WEAPON STATION (UGWS) MM; End Item Identification: UPGUNNED WEAPONS STATION AND THE AMPHIBIOUS ASSUALT VEHICLE, NSN 1010-01-233-9493. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1010-01-233-9493 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.