The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-176-4626, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-176-4626 |
| Primary Part Number | 51-038-DI/PTS3A454S6MD |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 3.190 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | -175.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | IRON BODY |
| Thread Size and Series/type Designator | 3/4-14 NPT FIRST END |
| 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 |
|---|---|
| 51-038-DI/PTS3A454S6MD PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| LTCT20536-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| D64030-3-8-51TE | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-00-176-4626 is a Valve,regulating,fluid Pressure, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-176-4626 has 1 manufacturer part number on file: 51-038-DI/PTS3A454S6MD (Richards Industries Valve Group Jordan Valve Div).
Key specifications for 51-038-DI/PTS3A454S6MD: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Face to Face Distance: 3.190 INCHES MINIMUM AND 3.310 INCHES MAXIMUM IN. 11 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.