The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-071-7916, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newport Scientific, Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-071-7916 |
| Primary Part Number | 71021005500 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Newport Scientific, Inc. |
| Status | ACTIVE |
| Flow Control Device | PISTON, BOTTOM GUIDED |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 2B |
| Body Style | ANGLE |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 2A A |
| First End Style Designator | SWIVEL, PLAIN |
| End Connection Quantity | 2 |
| Valve Loading Method | DOME |
| Second End Style Designator | GASKET SEAL |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL FLOW CONTROL DEVICE |
| Thread Size and Series/type Designator | 2.0-30 ISO M FIRST END |
| Thread Size and Series/type Designator | 7/16-20 UNF SECOND END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 71021005500 PRIMARY | Newport Scientific, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C55-71021 | 5/9 Secondary reference Newport Scientific, Inc. |
| 419350 | 5/9 Secondary reference Baxter Healthcare Corp Instrument Div |
NSN 4820-00-071-7916 is a Valve,regulating,fluid Pressure, manufactured by Newport Scientific, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-071-7916 has 1 manufacturer part number on file: 71021005500 (Newport Scientific, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-618-2497. Verify interchangeability with system specifications before substitution.
Key specifications for 71021005500: Flow Control Device: PISTON, BOTTOM GUIDED; Second End Relationship with First End: NOT IDENTICAL; Second End Thread Class: 2B; Body Style: ANGLE. 17 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.