PartsTable TECHNICAL DATA SHEET
NSN 4820-01-283-9772Government record, cited

Disk, Valve4820-01-283-9772

NSN 4820-01-283-9772 · NIIN 012839772 · Part number B14391-1
Mission Systems Orchard Park Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04577
Government record, cited
NSN 4820-01-283-9772 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-283-9772. Manufacturer of record part number: B14391-1.
Also searched as  4820-01-283-9772 · 4820012839772 · NIIN 012839772 · 01-283-9772 · FSC 4820 Valves, Nonpowered · CAGE 04577 · B14391-1
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: Mission Systems Orchard Park Inc
Identification
  • NSN: 4820-01-283-9772
  • NIIN: 012839772
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: B14391-1
  • Manufacturer: Mission Systems Orchard Park Inc
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-283-9772, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-283-9772
Primary Part NumberB14391-1
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Style DesignatorPOPPET
MaterialSTEEL CORROSION RESISTING
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
B14391-1 PRIMARY Mission Systems Orchard Park Inc (USA)
Reference documents
ReferenceMeaning
B14391-1 5/9 Secondary reference
Carleton Technologies Inc Div Tampa Facility
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 4820-01-283-9772?

NSN 4820-01-283-9772 is a Disk,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-283-9772?

NSN 4820-01-283-9772 has 1 manufacturer part number on file: B14391-1 (Mission Systems Orchard Park Inc).

What are the specifications of B14391-1?

Key specifications for B14391-1: Style Designator: POPPET; Material: STEEL CORROSION RESISTING. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-283-9772 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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