PartsTable TECHNICAL DATA SHEET
NSN 4820-01-182-7928Government record, cited

Disk, Valve4820-01-182-7928

NSN 4820-01-182-7928 · NIIN 011827928 · Part number 2280-394 PC 9
Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43689
Government record, cited
NSN 4820-01-182-7928 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-182-7928. Manufacturer of record part number: 2280-394 PC 9.
Also searched as  4820-01-182-7928 · 4820011827928 · NIIN 011827928 · 01-182-7928 · FSC 4820 Valves, Nonpowered · CAGE 43689 · 2280-394 PC 9
Nearby stock numbers  ·
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 5.410 INCHES NOMINAL IN
  • Style Designator: PLUG
  • Seat Angle: 45.000 DEGREES NOMINAL
  • Nominal Thread Size: 2.875 INCHES IN
  • Thread Class: 2B
  • Thread Quantity Per Inch: 12
  • Material: NICKEL ALLOY
Identification
  • NSN: 4820-01-182-7928
  • NIIN: 011827928
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2280-394 PC 9
  • Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-182-7928, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 8 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
NSN4820-01-182-7928
Primary Part Number2280-394 PC 9
Item NameDisk,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerHuntington Ingalls Inc Div Newport News Shipbuilding
StatusACTIVE
Outside Diameter5.410 INCHES NOMINAL IN
Style DesignatorPLUG
Seat Angle45.000 DEGREES NOMINAL
Nominal Thread Size2.875 INCHES IN
Thread Class2B
Thread Quantity Per Inch12
MaterialNICKEL ALLOY
Thread Series DesignatorUN
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
2280-394 PC 9 PRIMARY Huntington Ingalls Inc Div Newport News Shipbuilding (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 4820-01-182-7928?

NSN 4820-01-182-7928 is a Disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-182-7928?

NSN 4820-01-182-7928 has 1 manufacturer part number on file: 2280-394 PC 9 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What are the specifications of 2280-394 PC 9?

Key specifications for 2280-394 PC 9: Overall Height: 4.610 INCHES NOMINAL IN; Outside Diameter: 5.410 INCHES NOMINAL IN; Style Designator: PLUG; Seat Angle: 45.000 DEGREES NOMINAL. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-182-7928 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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