The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-184-0493, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-184-0493 |
| Primary Part Number | 75J838000-101 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 3A A |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Thread Size and Series/type Designator | 7/16-24 UNS FIRST END |
| Outlet Pressure Setting | ERR-060 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PAS129-172-2 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| PAS129-172 | Honeywell Aerospace Yeovil Div Aerospace -Yeovil (GBR) |
| 75J838000-101 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75J838000 | D/9 Drawing number reference only The Boeing Company Div Defense |
| PAS129-172 | 5/9 Secondary reference The Hymatic Engineering Company Limited T/a Honeywell Hymatic |
NSN 4820-01-184-0493 is a Valve,regulating,fluid Pressure, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-184-0493 has 3 manufacturer part numbers on file: PAS129-172-2 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil), PAS129-172 (Honeywell Aerospace Yeovil Div Aerospace -Yeovil), 75J838000-101 (The Boeing Company Div Defense).
Key specifications for 75J838000-101: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Thread Class: 3A A. 10 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.
NSN 4820-01-184-0493 has DEMIL Code Q. 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.