The Regulator,water Pump Nitrogen, cataloged under National Stock Number 4931-00-178-0983, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Us Army Aviation and Missile 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4931-00-178-0983 |
| Primary Part Number | MIS-10325TYPE1 |
| Item Name | Regulator,water Pump Nitrogen |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | DESIGNED TO INDICATE AND CONTROL THE DISCHARGE OF PRESSURE FROM WATERPUMPED NITROGEN STORAGE CYLINDERS,DISCHARGE PRESSURE BETWEEN 0 AND 2500PSI,10.000 IN. W,10.000 IN. H,10.000 IN. DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| MIS-10325TYPE1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| RH291GA | 5/1 Secondary reference U.S. Government activity |
NSN 4931-00-178-0983 is a Regulator,water Pump Nitrogen, manufactured by Us Army Aviation and Missile Command, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-00-178-0983 has 1 manufacturer part number on file: MIS-10325TYPE1 (Us Army Aviation and Missile Command).
Key specifications for MIS-10325TYPE1: General Characteristics Item Description: DESIGNED TO INDICATE AND CONTROL THE DISCHARGE OF PRESSURE FROM WATERPUMPED NITROGEN STORAGE CYLINDERS,DISCHARGE PRESSURE BETWEEN 0 AND 2500PSI,10.000 IN. W,10.000 IN. H,10.000 IN. DEEP IN. 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 4931-00-178-0983 has DEMIL Code B. 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.