The Valve,flow Control, cataloged under National Stock Number 4820-01-535-5563, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is North American Marine Jet, Inc. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-535-5563 |
| Primary Part Number | 731012 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | North American Marine Jet, Inc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 2 |
| Valve Size | 0.250 INCHES IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | NPT |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 731012 PRIMARY | North American Marine Jet, Inc (USA) |
| Reference | Meaning |
|---|---|
| J0002 | D/9 Drawing number reference only North American Marine Jet, Inc |
NSN 4820-01-535-5563 is a Valve,flow Control, manufactured by North American Marine Jet, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-535-5563 has 1 manufacturer part number on file: 731012 (North American Marine Jet, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5180-01-659-2702. Verify interchangeability with system specifications before substitution.
Key specifications for 731012: Connection Type: THREADED INTERNAL PIPE; End Connection Quantity: 2; Valve Size: 0.250 INCHES IN; Nominal Thread Size: 0.250 INCHES IN. 7 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.