The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-606-7456, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. Government technical data includes 3 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 | 4820-01-606-7456 |
| Primary Part Number | IR4001SK2P4B |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| Material Document and Classification | UNABLE TO DECODE |
| Material | STEEL COMP 316L BODY |
| 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 |
|---|---|
| IR4001SK2P4B PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
NSN 4820-01-606-7456 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-606-7456 has 1 manufacturer part number on file: IR4001SK2P4B (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
Key specifications for IR4001SK2P4B: Material Document and Classification: UNABLE TO DECODE; Special Features: INTERNALLY THREADLESS DESIGN REDUCES PARTICLE GENERATION; LOW INTERNAL VOLUME REDUCES PURGE TIMES; CLEANED FOR O2 SERVICE IS STANDARD; OVERALL HEIGHT: 4.91 INCHES; WIDTH: 2.00 INCHES; BURST PRESSURE 12000PSIG; PROOF PRESSURE 6000 PSIG; FLOW CAPACITY IS CV 0.06 STANDARD, CV 0.02, CV 0.15; INTERNAL VOLUME 4.00CC WITHOUT FITTINGS; APPROX WEIGHT 1.50 LBS.; TEMP. RANGE IS FROM -40.00 MAX IS 150.00C; OUTLET GAUGE PRESSURE RATING IS 0.00 TO 60.00 PSIG LBS; Part Name Assigned by Controlling Agency: 316L SS, SINGLE STAGE, GENERAL PURPOSE, INTERNALLY THREADLESS REGULATOR; End Item Identification: ICBM. 3 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 4820-01-606-7456 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.