PartsTable TECHNICAL DATA SHEET
NSN 4820-01-395-0502Government record, cited

Piston, Valve4820-01-395-0502

NSN 4820-01-395-0502 · NIIN 013950502 · Part number BMC3479D PART 12
Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 23798
Government record, cited
NSN 4820-01-395-0502 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-395-0502. Manufacturer of record part number: BMC3479D PART 12.
Also searched as  4820-01-395-0502 · 4820013950502 · NIIN 013950502 · 01-395-0502 · FSC 4820 Valves, Nonpowered · CAGE 23798 · BMC3479D PART 12
Nearby stock numbers  ·
Features
  • Piston,valve — FSC 4820
  • Valve Type for Which Designed: CHECK
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Material: COPPER ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
Identification
  • NSN: 4820-01-395-0502
  • NIIN: 013950502
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: BMC3479D PART 12
  • Manufacturer: Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-395-0502, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746. Government technical data includes 3 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
NSN4820-01-395-0502
Primary Part NumberBMC3479D PART 12
Item NamePiston,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerBidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
StatusACTIVE
Valve Type for Which DesignedCHECK
Valve Size for Which Designed1.500 INCHES IN
MaterialCOPPER ALLOY
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
BMC3479D PART 12 PRIMARY Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (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 4820-01-395-0502?

NSN 4820-01-395-0502 is a Piston,valve, manufactured by Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-395-0502?

NSN 4820-01-395-0502 has 1 manufacturer part number on file: BMC3479D PART 12 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746).

What are the specifications of BMC3479D PART 12?

Key specifications for BMC3479D PART 12: Valve Type for Which Designed: CHECK; Valve Size for Which Designed: 1.500 INCHES IN; Material: COPPER ALLOY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-395-0502 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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