The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-168-3536, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is National Machine Company Dba Nmg Aerospace. Government technical data includes 29 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-168-3536 |
| Primary Part Number | M9120DCD001 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | National Machine Company Dba Nmg Aerospace |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Seat Angle in Deg | 37.0 |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 3A A |
| Body Style | STRAIGHT THRU |
| Regulation Type | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| First End Seat Angle in Deg | 37.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARED |
| Special Test Features | SELECTED ITEM DRAWING |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Manual Control Method | SCREW |
| Valve Loading Method | WEIGHT |
| Second End Style Designator | FLARED |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.250 INCHES NOMINAL IN |
| Test Data Document | 97942-585R786 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | ALUMINUM ALLOY BODY |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Second End Connection Type | THREADED EXTERNAL TUBE |
| Thread Size and Series/type Designator | 7/16-20 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Size and Series/type Designator | 3/8-24 UNIFIED NATIONAL JOINT FINE (UNJF) MODIFIED SECOND END |
| Outlet Pressure Setting | ERR-060 |
| Filter | NOT INCLUDED |
| Second End Outside Diameter Tube Accommodated | 0.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| M9120DCD001 | National Machine Company Dba Nmg Aerospace (USA) |
| 3833-5-000 | Circor Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 3833-5-000 | 5/9 Secondary reference Acc Partners Inc |
| 585R786H01 | 3/2 Design control — primary reference U.S. Government activity |
| 585R786 | D/9 Drawing number reference only U.S. Government activity |
| 585R786H01 | 5/9 Secondary reference Acc Partners Inc |
NSN 4820-01-168-3536 is a Valve,regulating,fluid Pressure, manufactured by National Machine Company Dba Nmg Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-168-3536 has 2 manufacturer part numbers on file: M9120DCD001 (National Machine Company Dba Nmg Aerospace), 3833-5-000 (Circor Aerospace Inc).
Key specifications for M9120DCD001: Flow Control Device: DISK; Second End Seat Angle in Deg: 37.0; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: NOT IDENTICAL. 29 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 4820-01-168-3536 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.