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NSN 4820-01-346-1923Government record, cited

Stem, Fluid Valve4820-01-346-1923

NSN 4820-01-346-1923 · NIIN 013461923 · Part number 50C-0033-0143
Essex Industries, Inc. Dba Essex Industries · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 19062
Government record, cited
NSN 4820-01-346-1923 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-346-1923. Manufacturer of record part number: 50C-0033-0143.
Also searched as  4820-01-346-1923 · 4820013461923 · NIIN 013461923 · 01-346-1923 · FSC 4820 Valves, Nonpowered · CAGE 19062 · 50C-0033-0143
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4820
  • Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
  • Largest Outside Diameter: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 303
  • 1 manufacturer part number on file
  • Manufacturer of record: Essex Industries, Inc. Dba Essex Industries
Identification
  • NSN: 4820-01-346-1923
  • NIIN: 013461923
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 50C-0033-0143
  • Manufacturer: Essex Industries, Inc. Dba Essex Industries
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-346-1923, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 5 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
NSN4820-01-346-1923
Primary Part Number50C-0033-0143
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Surface Treatment Document and ClassificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE
Largest Outside Diameter0.500 INCHES NOMINAL IN
Material Document and ClassificationASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 303
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
50C-0033-0143 PRIMARY Essex Industries, Inc. Dba Essex Industries (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 4820-01-346-1923?

NSN 4820-01-346-1923 is a Stem,fluid Valve, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-346-1923?

NSN 4820-01-346-1923 has 1 manufacturer part number on file: 50C-0033-0143 (Essex Industries, Inc. Dba Essex Industries).

What are the specifications of 50C-0033-0143?

Key specifications for 50C-0033-0143: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE; Largest Outside Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 2.234 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-346-1923 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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