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NSN 4820-01-178-2992Government record, cited

Valve, Regulating, Fluid Pressure4820-01-178-2992

NSN 4820-01-178-2992 · NIIN 011782992 · Part number 4873C-G502
Howell Laboratories Inc Dba Howell Laboratories Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 22501
Government record, cited
NSN 4820-01-178-2992 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-178-2992. Manufacturer of record part number: 4873C-G502.
Also searched as  4820-01-178-2992 · 4820011782992 · NIIN 011782992 · 01-178-2992 · FSC 4820 Valves, Nonpowered · CAGE 22501 · 4873C-G502
Nearby stock numbers  ·
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Flow Control Device: DIAPHRAGM
  • Material: ALUMINUM ALLOY BODY
  • Material: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
  • Media for Which Designed: AIR
  • Maximum Inlet Pressure Rating: ERR-060
  • Outlet Pressure Setting: ERR-060
  • 1 manufacturer part number on file
Identification
  • NSN: 4820-01-178-2992
  • NIIN: 011782992
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 4873C-G502
  • Manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-178-2992, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 6 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.

Technical Specifications
ParameterValue
NSN4820-01-178-2992
Primary Part Number4873C-G502
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Flow Control DeviceDIAPHRAGM
MaterialALUMINUM ALLOY BODY
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
Media for Which DesignedAIR
Maximum Inlet Pressure RatingERR-060
Outlet Pressure SettingERR-060
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
4873C-G502 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
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 4820-01-178-2992?

NSN 4820-01-178-2992 is a Valve,regulating,fluid Pressure, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-178-2992?

NSN 4820-01-178-2992 has 1 manufacturer part number on file: 4873C-G502 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 4873C-G502?

Key specifications for 4873C-G502: Flow Control Device: DIAPHRAGM; Material: ALUMINUM ALLOY BODY; Material: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE; Media for Which Designed: AIR. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-178-2992 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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