The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-537-1894, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corp Div Weapon System. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-537-1894 |
| Primary Part Number | 465-1102 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| 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 |
|---|---|
| 465-1102 | Rosomak S.a (POL) |
| 465-1102 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 10199649 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4820PL1812625 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 465-1102 | 3/9 Design control — primary reference Alliant Techsystems Operations Llc |
NSN 4820-01-537-1894 is a Valve,regulating,fluid Pressure, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-537-1894 has 2 manufacturer part numbers on file: 465-1102 (Rosomak S.a), 465-1102 (Northrop Grumman Systems Corp Div Weapon System).
Key specifications for 465-1102: Part Name Assigned by Controlling Agency: DAMPER VALVE ASSEMBLY; End Item Identification: 1005-01-536-7303; GUN, AUTOMATIC, 30 MILLIMETER MM. 0 specifications are 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.
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.