PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21353-1002-1Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-448-8173 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-448-8173 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-448-8173. Primary manufacturer part number: 21353-1002-1.
Features
  • Piston,valve — FSC 4810
  • Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
  • Material: STEEL COMP 416
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Model Number for Which Designed: 21353
  • Valve Design Control Activity: 78062
  • Outside Diameter: 0.625 INCHES NOMINAL IN
  • 3 verified cross-references
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 4810-01-448-8173, is classified within Federal Supply Class 4810 (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 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-448-8173
Primary Part Number21353-1002-1
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Valve Type for Which DesignedDIRECTIONAL CONTROL LINEAR
MaterialSTEEL COMP 416
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
Valve Model Number for Which Designed21353
Valve Design Control Activity78062
Outside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3020-00-761-8778190SBD3 INTERCHANGEABLE
Chain,roller
Rexnord Holdings Inc
5340-01-151-706221353 INTERCHANGEABLE
Boot
Bradford Vibrators Co the
4320-01-252-478521353 INTERCHANGEABLE
Connector,fluid,pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5998-01-432-274121353 INTERCHANGEABLE
Circuit Card Assembly
Giga-Tronics Incorporated Dba Giga-Tronics
4810-01-448-759421353-851-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-449-272621353-1000-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
6230-01-530-3744 INTERCHANGEABLE
Flashlight
5306-01-646-554921353 INTERCHANGEABLE
Bolt,square Neck
Fastenal Company
Cross-Reference Index
Part NumberManufacturer
21353-1002-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21353 ITEM 10 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21353 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3020-00-761-8778INTERCHANGEABLE
CHAIN,ROLLER
190SBD3
5340-01-151-7062INTERCHANGEABLE
BOOT
21353
4320-01-252-4785INTERCHANGEABLE
CONNECTOR,FLUID,PUMP
21353
5998-01-432-2741INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21353
4810-01-448-7594INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21353-851-1
3040-01-449-2726INTERCHANGEABLE
SHAFT,SHOULDERED
21353-1000-1
6230-01-530-3744INTERCHANGEABLE
FLASHLIGHT
5306-01-646-5549INTERCHANGEABLE
BOLT,SQUARE NECK
21353

Frequently Asked Questions

What is NSN 4810-01-448-8173?

NSN 4810-01-448-8173 is a Piston,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-448-8173?

NSN 4810-01-448-8173 has 3 cross-referenced part numbers: 21353-1002-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21353 ITEM 10 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21353 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-448-8173?

There are 8 known substitutes for 4810-01-448-8173: 3020-00-761-8778, 5340-01-151-7062, 4320-01-252-4785 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21353-1002-1?

Key specifications for 21353-1002-1: End Item Identification: SEAWOLF CLASS SUBMARINE; Special Features: COMPONENT OF VALVE ASSY,DECELERATION;SARGENT CONTROLS,P/N 21353-001; Overall Length: 5.000 INCHES NOMINAL IN; Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR. 9 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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