PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9427Stem,needle Valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4820-00-147-5854 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-147-5854 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-147-5854. Primary manufacturer part number: 9427.
Features
  • Stem,needle Valve — FSC 4820
  • Material: STEEL
  • 6 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Stem,needle Valve, cataloged under National Stock Number 4820-00-147-5854, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-147-5854
Primary Part Number9427
Item NameStem,needle Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5975-00-263-0805 INTERCHANGEABLE
Rod,ground
9390-00-281-5102 INTERCHANGEABLE
Wick
5310-00-356-14473009213 INTERCHANGEABLE
Washer,lock
Cummins Inc.
6105-00-500-26249427 INTERCHANGEABLE
Motor,alternating Current
Ward Leonard Ct Llc
5905-01-195-1253848-01REVOPC18 INTERCHANGEABLE
Resistor,variable
Hose-Mccann Telephone Co, Inc
2590-01-344-57499427-G INTERCHANGEABLE
Parts Kit,winch
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
9427 Westinghouse Electric Corp (USA)
9427 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-739BPC454X462 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-739YPC454-462 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
9427 Westinghouse Electric Corp Sturtevant Div (USA)
D15-739YPC454-462 Westinghouse Electric Corp (USA)
Related Parts
5975-00-263-0805INTERCHANGEABLE
ROD,GROUND
9390-00-281-5102INTERCHANGEABLE
WICK
5310-00-356-1447INTERCHANGEABLE
WASHER,LOCK
3009213
6105-00-500-2624INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
9427
5905-01-195-1253INTERCHANGEABLE
RESISTOR,VARIABLE
848-01REVOPC18
2590-01-344-5749INTERCHANGEABLE
PARTS KIT,WINCH
9427-G

Frequently Asked Questions

What is NSN 4820-00-147-5854?

NSN 4820-00-147-5854 is a Stem,needle Valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-147-5854?

NSN 4820-00-147-5854 has 6 cross-referenced part numbers: 9427 (Westinghouse Electric Corp), 9427 (Northrop Grumman Systems Corporation Div Marine Systems), D15-739BPC454X462 (Northrop Grumman Systems Corporation Div Marine Systems), D15-739YPC454-462 (Northrop Grumman Systems Corporation Div Marine Systems), 9427 (Westinghouse Electric Corp Sturtevant Div) and 1 more.

What NSN replaces 4820-00-147-5854?

There are 6 known substitutes for 4820-00-147-5854: 5975-00-263-0805, 9390-00-281-5102, 5310-00-356-1447 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9427?

Key specifications for 9427: Material: STEEL; Overall Length: 5.875 INCHES NOMINAL IN; Special Features: NEEDLE TIP ANGLE 60 DEG; W/HEXAGONAL NUT; End Item Identification: STURTEVANTEVANT CO FORGED DRAFT BLOWER VX7 TURBINE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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