PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9434Stem,fluid Valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4820-00-446-9361 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-9361 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-9361. Primary manufacturer part number: 9434.
Features
  • Stem,fluid Valve — FSC 4820
  • 11 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-446-9361, 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. This item has 11 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.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWestinghouse Electric Corp (CAGE 79500); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN4820-00-446-9361
Primary Part Number9434
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-059-53999434 INTERCHANGEABLE
Pin,straight,headed
Eaton Corporation Dba Airflex Div Div Airflex
5310-00-244-241719018 INTERCHANGEABLE
Washer,flat
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6850-01-048-2087737RTV WHITE 10- OZ INTERCHANGEABLE
Sealer,chemical
Dow Silicones Corporation
6230-01-276-07179434 INTERCHANGEABLE
Support Set,searchlight
Carlisle & Finch Co
5120-01-399-9096 INTERCHANGEABLE
Screwdriver,flat Tip
5940-01-535-14089434 INTERCHANGEABLE
Adapter,battery Terminal
Acr Electronics, Inc. Dba Acr Electronics Inc
Cross-Reference Index
Part NumberManufacturer
D15-621NPC347 Westinghouse Electric Corp (USA)
D15-621BPC347 Westinghouse Electric Corp (USA)
D15-439PPC347 Westinghouse Electric Corp (USA)
D15-439JPC347 Westinghouse Electric Corp (USA)
9434 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
9434 Westinghouse Electric Corp (USA)
9434 Westinghouse Electric Corp Sturtevant Div (USA)
D15-621JPC347 Westinghouse Electric Corp (USA)
D15-439BPC347 Westinghouse Electric Corp (USA)
D15-439NPC347 Westinghouse Electric Corp (USA)
D15-621PPC347 Westinghouse Electric Corp (USA)
Related Parts
5315-00-059-5399INTERCHANGEABLE
PIN,STRAIGHT,HEADED
9434
5310-00-244-2417INTERCHANGEABLE
WASHER,FLAT
19018
6850-01-048-2087INTERCHANGEABLE
SEALER,CHEMICAL
737RTV WHITE 10- OZ
6230-01-276-0717INTERCHANGEABLE
SUPPORT SET,SEARCHLIGHT
9434
5120-01-399-9096INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5940-01-535-1408INTERCHANGEABLE
ADAPTER,BATTERY TERMINAL
9434

Frequently Asked Questions

What is NSN 4820-00-446-9361?

NSN 4820-00-446-9361 is a Stem,fluid 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 4820-00-446-9361?

NSN 4820-00-446-9361 has 11 cross-referenced part numbers: D15-621NPC347 (Westinghouse Electric Corp), D15-621BPC347 (Westinghouse Electric Corp), D15-439PPC347 (Westinghouse Electric Corp), D15-439JPC347 (Westinghouse Electric Corp), 9434 (Northrop Grumman Systems Corporation Div Marine Systems) and 6 more.

What NSN replaces 4820-00-446-9361?

There are 6 known substitutes for 4820-00-446-9361: 5315-00-059-5399, 5310-00-244-2417, 6850-01-048-2087 and 3 more. Verify interchangeability with system specifications before substitution.

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