PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21306-1001-1Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-419-1685 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-419-1685 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-419-1685. Primary manufacturer part number: 21306-1001-1.
Features
  • Piston,valve — FSC 4810
  • Valve Design Control Activity: 78062
  • Material: STEEL CORROSION RESISTING
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Model Number for Which Designed: 21306-002
  • Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
  • 4 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 Corrosion Resisting construction
General Description

The Piston,valve, cataloged under National Stock Number 4810-01-419-1685, 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 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-419-1685
Primary Part Number21306-1001-1
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Valve Design Control Activity78062
MaterialSTEEL CORROSION RESISTING
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
Valve Model Number for Which Designed21306-002
Valve Type for Which DesignedDIRECTIONAL CONTROL LINEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
9540-00-145-8450 INTERCHANGEABLE
Angle,structural
3455-00-194-055058-10071 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5315-00-251-933221306 INTERCHANGEABLE
Pin,straight,headed
Komatsu America Corporation
5998-01-070-883221306 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5360-01-173-340521306 INTERCHANGEABLE
Spring,helical,compression
Barksdale, Inc
5340-01-279-2206 INTERCHANGEABLE
Holder,spring
4810-01-419-052021306-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-476621306-851-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4030-01-469-694221-306 INTERCHANGEABLE
Hook,pelican
Johnson C Sherman Co Inc
6515-01-592-9848 INTERCHANGEABLE
Suture,absorbable,surgical
Cross-Reference Index
Part NumberManufacturer
21306-10 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21306-1001-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21306-002 FIND 10 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21306 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
9540-00-145-8450INTERCHANGEABLE
ANGLE,STRUCTURAL
3455-00-194-0550INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10071
5315-00-251-9332INTERCHANGEABLE
PIN,STRAIGHT,HEADED
21306
5998-01-070-8832INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21306
5360-01-173-3405INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21306
5340-01-279-2206INTERCHANGEABLE
HOLDER,SPRING
4810-01-419-0520INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21306-002
4820-01-419-4766INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21306-851-1
4030-01-469-6942INTERCHANGEABLE
HOOK,PELICAN
21-306
6515-01-592-9848INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
4030-01-621-6284INTERCHANGEABLE
HOOK,PELICAN
21-306

Frequently Asked Questions

What is NSN 4810-01-419-1685?

NSN 4810-01-419-1685 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 4810-01-419-1685?

NSN 4810-01-419-1685 has 4 cross-referenced part numbers: 21306-10 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21306-1001-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21306-002 FIND 10 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21306 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-419-1685?

There are 11 known substitutes for 4810-01-419-1685: 9540-00-145-8450, 3455-00-194-0550, 5315-00-251-9332 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21306-1001-1?

Key specifications for 21306-1001-1: Valve Design Control Activity: 78062; Material: STEEL CORROSION RESISTING; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: WEAPONS SYSTEM JG, SEAWOLF CLASS SSN. 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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