PartsTable TECHNICAL DATA SHEET
NSN 4820-00-159-0794Government record, cited

Valve, Regulating, Fluid Pressure4820-00-159-0794

NSN 4820-00-159-0794 · NIIN 001590794
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-00-159-0794 · 4820001590794 · NIIN 001590794 · 00-159-0794 · FSC 4820 Valves, Nonpowered
Nearby stock numbers  ·
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Thread Direction: RIGHT-HAND
  • Second End Relationship with First End: IDENTICAL
  • Body Style: TEE
  • Regulation Type: AUTOMATIC DOUBLE STAGE
  • First End Thread Class: 3B
  • Third End Relationship with Preceding Ends: IDENTICAL WITH FIRST END
  • First End Style Designator: GASKET SEAL
Identification
  • NSN: 4820-00-159-0794
  • NIIN: 001590794
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-159-0794, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-159-0794
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
First End Thread DirectionRIGHT-HAND
Second End Relationship with First EndIDENTICAL
Body StyleTEE
Regulation TypeAUTOMATIC DOUBLE STAGE
First End Thread Class3B
Third End Relationship with Preceding EndsIDENTICAL WITH FIRST END
First End Style DesignatorGASKET SEAL
End Connection Quantity3
Outlet Pressure Range100.0 TO 300.0 CAMERA MOUNT
First End Connection TypeTHREADED INTERNAL BOSS
Media for Which DesignedHYDRAULIC FLUID, SILICATE-ESTER BASE
Thread Size and Series/type Designator7/16-20 UNF FIRST END
FilterNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
42028180-002 3/2 Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-00-159-0794?

NSN 4820-00-159-0794 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-159-0794?

Key specifications for 4820-00-159-0794: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: TEE; Regulation Type: AUTOMATIC DOUBLE STAGE. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-159-0794 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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