PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21303-001Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-543-7267 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-543-7267 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-543-7267. Primary manufacturer part number: 21303-001.
Features
  • Valve,linear,directional Control — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-543-7267, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-543-7267
Primary Part Number21303-001
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1377-00-238-05522130300-1 INTERCHANGEABLE
Initiator,cartridge Actuated
Rockwell Collins Inc
Cross-Reference Index
Part NumberManufacturer
21303-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
1377-00-238-0552INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
2130300-1

Frequently Asked Questions

What is NSN 4820-01-543-7267?

NSN 4820-01-543-7267 is a Valve,linear,directional Control, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-543-7267?

NSN 4820-01-543-7267 has 1 cross-referenced part number: 21303-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-543-7267?

There is 1 known substitute for 4820-01-543-7267: 1377-00-238-0552. Verify interchangeability with system specifications before substitution.

What are the specifications of 21303-001?

Key specifications for 21303-001: End Item Identification: VALVE, DIR CONT. 1 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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