PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9444-26Stem,fluid Valve

Marmon Group Inc the · NSN 4820-00-086-9945 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-086-9945 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-086-9945. Primary manufacturer part number: 9444-26.
Features
  • Stem,fluid Valve — FSC 4820
  • Largest Outside Diameter: 0.517 INCHES NOMINAL IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material: COPPER ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Marmon Group Inc the
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-086-9945, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marmon Group Inc the. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-086-9945
Primary Part Number9444-26
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarmon Group Inc the
StatusACTIVE
Largest Outside Diameter0.517 INCHES NOMINAL IN
Stem Actuating End TypeTHREADED EXTERNALLY
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-01-398-785700944426000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
9444-26 Marmon Group Inc the (USA)
9444-26 Rego Co a Marmon Group Co (USA)
Related Parts
5120-01-398-7857INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944426000

Frequently Asked Questions

What is NSN 4820-00-086-9945?

NSN 4820-00-086-9945 is a Stem,fluid Valve, manufactured by Marmon Group Inc the, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-086-9945?

NSN 4820-00-086-9945 has 2 cross-referenced part numbers: 9444-26 (Marmon Group Inc the), 9444-26 (Rego Co a Marmon Group Co).

What NSN replaces 4820-00-086-9945?

There is 1 known substitute for 4820-00-086-9945: 5120-01-398-7857. Verify interchangeability with system specifications before substitution.

What are the specifications of 9444-26?

Key specifications for 9444-26: Largest Outside Diameter: 0.517 INCHES NOMINAL IN; Overall Length: 1.140 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Material: COPPER ALLOY. 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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