PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400450Stem,fluid Valve

Hunt Valve Company, Inc. · NSN 4820-01-121-0918 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-121-0918 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-0918. Primary manufacturer part number: 400450.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material: STEEL CORROSION RESISTING
  • Valve Size for Which Designed: 0.375 INCHES AND 0.500 INCHES IN
  • Valve Type for Which Designed: GLOBE
  • Furnished Items and Quantity: 1 DISK AND 1 RING
  • 4 verified cross-references
  • Primary manufacturer: Hunt Valve Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-121-0918, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-121-0918
Primary Part Number400450
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Stem Actuating End TypeTHREADED EXTERNALLY
MaterialSTEEL CORROSION RESISTING
Valve Size for Which Designed0.375 INCHES AND 0.500 INCHES IN
Valve Type for Which DesignedGLOBE
Furnished Items and Quantity1 DISK AND 1 RING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-151-0777 INTERCHANGEABLE
Bolt,machine
3020-01-016-2677400450 INTERCHANGEABLE
Pulley,flat
Telemechanics Inc
4820-01-084-8690 INTERCHANGEABLE
Stem,fluid Valve
5330-01-332-7296400450 INTERCHANGEABLE
Retainer,packing
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
C412-0-B ITEM 15 Hunt Valve Company, Inc. (USA)
400450 PRIMARY Hunt Valve Company, Inc. (USA)
C413-0-B ITEM 15 Hunt Valve Company, Inc. (USA)
C312-0-B12 ITEM 16 TO 19 Hunt Valve Company, Inc. (USA)
Related Parts
5306-00-151-0777INTERCHANGEABLE
BOLT,MACHINE
3020-01-016-2677INTERCHANGEABLE
PULLEY,FLAT
400450
4820-01-084-8690INTERCHANGEABLE
STEM,FLUID VALVE
5330-01-332-7296INTERCHANGEABLE
RETAINER,PACKING
400450

Frequently Asked Questions

What is NSN 4820-01-121-0918?

NSN 4820-01-121-0918 is a Stem,fluid Valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-121-0918?

NSN 4820-01-121-0918 has 4 cross-referenced part numbers: C412-0-B ITEM 15 (Hunt Valve Company, Inc.), 400450 (Hunt Valve Company, Inc.), C413-0-B ITEM 15 (Hunt Valve Company, Inc.), C312-0-B12 ITEM 16 TO 19 (Hunt Valve Company, Inc.).

What NSN replaces 4820-01-121-0918?

There are 4 known substitutes for 4820-01-121-0918: 5306-00-151-0777, 3020-01-016-2677, 4820-01-084-8690 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400450?

Key specifications for 400450: Stem Actuating End Type: THREADED EXTERNALLY; Material: STEEL CORROSION RESISTING; Valve Size for Which Designed: 0.375 INCHES AND 0.500 INCHES IN; Valve Type for Which Designed: GLOBE. 5 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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