The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-654-0652, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-654-0652 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HANDRIGHT-HAND |
| Second End Relationship with First End | IDENTICALIDENTICAL |
| Remote Actuation Method | PISTONPISTON |
| Body Style | ANGLEANGLE |
| Regulation Type | AUTOMATIC SINGLE STAGEAUTOMATIC SINGLE STAGE |
| First End Thread Class | 3B3B |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM160.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 22 |
| Outlet Pressure Range | 1200.0 TO 1350.0 CAMERA MOUNT |
| Valve Loading Method | SPRINGSPRING |
| First End Connection Type | THREADED INTERNAL TUBETHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SEATSTEEL CORROSION RESISTING SEAT |
| Thread Size and Series/type Designator | 9/16-18 UNF FIRST END9/16-18 UNF FIRST END |
| Filter | NOT INCLUDEDNOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1005910-4 | 3/9 Design control — primary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 1005910-4 | 7/2 Vendor item drawing reference Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 695845-3 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4820-00-654-0652 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-00-991-0785, 5340-01-575-9638. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-654-0652: First End Thread Direction: RIGHT-HANDRIGHT-HAND; Second End Relationship with First End: IDENTICALIDENTICAL; Remote Actuation Method: PISTONPISTON; Body Style: ANGLEANGLE. 15 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.