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NSN 4820-01-374-0601Government record, cited

Valve, Check4820-01-374-0601

NSN 4820-01-374-0601 · NIIN 013740601 · Part number 5304-232-02
Fluid Mechanics Valve Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 52253
Government record, cited
NSN 4820-01-374-0601 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-374-0601. Manufacturer of record part number: 5304-232-02.
Also searched as  4820-01-374-0601 · 4820013740601 · NIIN 013740601 · 01-374-0601 · FSC 4820 Valves, Nonpowered · CAGE 52253 · 5304-232-02
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Operating Pressure: 15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Size: 0.562 INCHES IN
  • Disk Loading Method: SPRING
  • Media for Which Designed: HELIUM SINGLE RESPONSE
  • Material: STEEL COMP 316 BODY
  • 1 manufacturer part number on file
  • Manufacturer of record: Fluid Mechanics Valve Company
Identification
  • NSN: 4820-01-374-0601
  • NIIN: 013740601
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 5304-232-02
  • Manufacturer: Fluid Mechanics Valve Company
General Description

The Valve,check, cataloged under National Stock Number 4820-01-374-0601, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fluid Mechanics Valve Company. 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
NSN4820-01-374-0601
Primary Part Number5304-232-02
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerFluid Mechanics Valve Company
StatusACTIVE
Operating Pressure15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size0.562 INCHES IN
Disk Loading MethodSPRING
Media for Which DesignedHELIUM SINGLE RESPONSE
MaterialSTEEL COMP 316 BODY
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
5304-232-02 PRIMARY Fluid Mechanics Valve Company (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 4820-01-374-0601?

NSN 4820-01-374-0601 is a Valve,check, manufactured by Fluid Mechanics Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-374-0601?

NSN 4820-01-374-0601 has 1 manufacturer part number on file: 5304-232-02 (Fluid Mechanics Valve Company).

What are the specifications of 5304-232-02?

Key specifications for 5304-232-02: Operating Pressure: 15000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.562 INCHES IN; Disk Loading Method: SPRING; Special Features: 4 1/2 IN. O/A LG; HEX SZ 1 1/2 IN.; HEXAGON WRENCHING FEATURE BOTH ENDS; AMINCO FITTINGS BOTH ENDS IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-374-0601 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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