PartsTable TECHNICAL DATA SHEET
NSN 4820-00-950-1999Government record, cited

Valve, Regulating, Fluid Pressure4820-00-950-1999

NSN 4820-00-950-1999 · NIIN 009501999 · Part number AA38643
Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859
Government record, cited
NSN 4820-00-950-1999 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-950-1999. Manufacturer of record part number: AA38643.
Also searched as  4820-00-950-1999 · 4820009501999 · NIIN 009501999 · 00-950-1999 · FSC 4820 Valves, Nonpowered · CAGE 11859 · AA38643
Nearby stock numbers  ·
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • FSC Application Data: VALVE RED .25IPS 3000PSI
  • 1 manufacturer part number on file
  • Manufacturer of record: Hunt Valve Company, Inc.
Identification
  • NSN: 4820-00-950-1999
  • NIIN: 009501999
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: AA38643
  • Manufacturer: Hunt Valve Company, Inc.
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-950-1999, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-950-1999
Primary Part NumberAA38643
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
FSC Application DataVALVE RED .25IPS 3000PSI
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
AA38643 PRIMARY Hunt Valve Company, Inc. (USA)
Reference documents
ReferenceMeaning
AA38643 3/9 Design control — primary reference
Hunt Valve Company Inc Dba Union Flonetics
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 4820-00-950-1999?

NSN 4820-00-950-1999 is a Valve,regulating,fluid Pressure, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-950-1999?

NSN 4820-00-950-1999 has 1 manufacturer part number on file: AA38643 (Hunt Valve Company, Inc.).

What are the specifications of AA38643?

Key specifications for AA38643: FSC Application Data: VALVE RED .25IPS 3000PSI. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-00-950-1999 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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