PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21145-001Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-514-3526 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-514-3526 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-514-3526. Primary manufacturer part number: 21145-001.
Features
  • Valve,linear,directional Control — FSC 4820
  • Body Material: ALUMINUM ALLOY
  • 2 verified cross-references
  • 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 4820-01-514-3526, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-514-3526
Primary Part Number21145-001
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
Body MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6685-00-213-14754389549-9 INTERCHANGEABLE
Indicator,temperature,electrical
Agco Corp Parts Opn
5920-00-280-352631303-2 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
6610-00-573-606621145 INTERCHANGEABLE
Motor Assy
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
7035-01-209-003187087 INTERCHANGEABLE
Cleaning Kit,automatic Data Proc
Verbatim Corp
4720-01-436-324021145 INTERCHANGEABLE
Hose,preformed
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
21145-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21145 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
6685-00-213-1475INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
4389549-9
5920-00-280-3526INTERCHANGEABLE
FUSE,CARTRIDGE
31303-2
6610-00-573-6066INTERCHANGEABLE
MOTOR ASSY
21145
7035-01-209-0031INTERCHANGEABLE
CLEANING KIT,AUTOMATIC DATA PROC
87087
4720-01-436-3240INTERCHANGEABLE
HOSE,PREFORMED
21145

Frequently Asked Questions

What is NSN 4820-01-514-3526?

NSN 4820-01-514-3526 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 4820-01-514-3526?

NSN 4820-01-514-3526 has 2 cross-referenced part numbers: 21145-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21145 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-514-3526?

There are 5 known substitutes for 4820-01-514-3526: 6685-00-213-1475, 5920-00-280-3526, 6610-00-573-6066 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21145-001?

Key specifications for 21145-001: Body Material: ALUMINUM ALLOY; End Item Identification: VALVE ASSY,SIZE 1. 2 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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