The Stem,fluid Valve, cataloged under National Stock Number 4820-01-281-1477, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-281-1477 |
| Primary Part Number | 1970 590 008-3CP |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Largest Outside Diameter | 0.290 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 1970 590 008-3CP PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| 1970 590 008-3 | Mission Systems Orchard Park Inc (USA) |
| Reference | Meaning |
|---|---|
| 1970 590 008-3 | 5/9 Secondary reference Carleton Technologies Inc Div Tampa Facility |
NSN 4820-01-281-1477 is a Stem,fluid Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-281-1477 has 2 manufacturer part numbers on file: 1970 590 008-3CP (Naval Inventory Control Point Mechanicsburg), 1970 590 008-3 (Mission Systems Orchard Park Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-672-4733. Verify interchangeability with system specifications before substitution.
Key specifications for 1970 590 008-3CP: Largest Outside Diameter: 0.290 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 1.195 INCHES NOMINAL IN; Special Features: OXYGEN CLEANING IAW NSPCC SPECIAL PROCESS INSTRUCTION 10016. 3 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.