PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21358-1014-1Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-514-8654 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-514-8654 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-514-8654. Primary manufacturer part number: 21358-1014-1.
Features
  • Piston,valve — FSC 4820
  • Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
  • Valve Design Control Activity: 78062
  • Material: STEEL COMP 416
  • 3 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
  • Applications requiring Steel Comp 416 construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-514-8654, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-514-8654
Primary Part Number21358-1014-1
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Material Document and ClassificationASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
Valve Type for Which DesignedDIRECTIONAL CONTROL LINEAR
Valve Design Control Activity78062
MaterialSTEEL COMP 416
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6625-00-161-182621358 INTERCHANGEABLE
Ohmmeter
Avo Intl
3120-00-423-083221-358 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5905-00-475-05736017981 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
International Business Machines Corp Parts Order Center Dept E - 54
2910-00-570-96517041861 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
5950-01-072-225921358 INTERCHANGEABLE
Transformer,power
Elbitamerica, Inc.
5360-01-190-621521358 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5985-01-426-481721358 INTERCHANGEABLE
Mast Section
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
5330-01-492-816421358 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
1005-01-542-746521358 INTERCHANGEABLE
Mount,sight,small Arms
Charles Reed Knight Jr Dba Knight's Armament Company
4810-01-545-078921358-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21358-1014-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21358 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21358 FIND 11 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
6625-00-161-1826INTERCHANGEABLE
OHMMETER
21358
3120-00-423-0832INTERCHANGEABLE
BEARING,SLEEVE
21-358
5905-00-475-0573INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6017981
2910-00-570-9651INTERCHANGEABLE
CARBURETOR,FLOAT
7041861
5950-01-072-2259INTERCHANGEABLE
TRANSFORMER,POWER
21358
5360-01-190-6215INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21358
5985-01-426-4817INTERCHANGEABLE
MAST SECTION
21358
5330-01-492-8164INTERCHANGEABLE
SEAL,PLAIN ENCASED
21358
1005-01-542-7465INTERCHANGEABLE
MOUNT,SIGHT,SMALL ARMS
21358
4810-01-545-0789INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21358-001

Frequently Asked Questions

What is NSN 4820-01-514-8654?

NSN 4820-01-514-8654 is a Piston,valve, 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 4820-01-514-8654?

NSN 4820-01-514-8654 has 3 cross-referenced part numbers: 21358-1014-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21358 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21358 FIND 11 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-514-8654?

There are 10 known substitutes for 4820-01-514-8654: 6625-00-161-1826, 3120-00-423-0832, 5905-00-475-0573 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21358-1014-1?

Key specifications for 21358-1014-1: Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE; Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR; End Item Identification: VIRGINIA CLASS SSN; Valve Design Control Activity: 78062. 6 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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