The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-441-0112, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-0112 |
| Primary Part Number | 1335M4Y/0121F2D/0121K1300 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Material | STEEL CORROSION RESISTING BODY |
| Media for Which Designed | AIR AND WATER |
| Maximum Inlet Pressure Rating | 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 |
|---|---|
| 1335M4Y/0121F2D/0121K1300 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
NSN 4820-01-441-0112 is a Valve,regulating,fluid Pressure, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-0112 has 1 manufacturer part number on file: 1335M4Y/0121F2D/0121K1300 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
Key specifications for 1335M4Y/0121F2D/0121K1300: Flow Control Device: STEM AND INTEGRAL DISK; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF. 9 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 4820-01-441-0112 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.