The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-288-5817, 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 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-288-5817 |
| Primary Part Number | MK 60 1/2 IPS,CS 150 FLG |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 7.500 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Flange Thickness | 0.438 INCHES NOMINAL IN |
| First End Flange Outside Diameter | 3.500 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Temp Rating | 850.0 FAHRENHEIT NOMINAL DEGF |
| First End Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 2.375 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 15.0 TO 38.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | PLAIN FACE FLANGE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Material | STEEL BODY |
| Media for Which Designed | STEAM AND WATER, OIL OR GAS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| MK 60 1/2 IPS,CS 150 FLG PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| MK 60 1/2 IPS,C | C/1 Advisory reference — outside the item-of-supply concept Richards Industries Valve Group Jordan Valve Div |
| 15 TO 35 PSIG CV=1.6 LO FLO | 5/9 Secondary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-01-288-5817 is a Valve,regulating,fluid Pressure, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-288-5817 has 1 manufacturer part number on file: MK 60 1/2 IPS,CS 150 FLG (Richards Industries Valve Group Jordan Valve Div).
Key specifications for MK 60 1/2 IPS,CS 150 FLG: First End Bolt Hole Quantity: 4; Flow Control Device: DIAPHRAGM; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 21 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.