PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23135-1002-1Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-728-1216 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-728-1216 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-728-1216. Primary manufacturer part number: 23135-1002-1.
Features
  • Piston,valve — FSC 4820
  • 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 Piston,valve, cataloged under National Stock Number 4820-01-728-1216, 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 2 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.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062)
Technical Specifications
ParameterValue
NSN4820-01-728-1216
Primary Part Number23135-1002-1
Item NamePiston,valve
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 10
5133-00-228-1382 INTERCHANGEABLE
Drill,twist
2910-00-354-4969C85-15 INTERCHANGEABLE
Float,carburetor
Zenith Fuel Systems Llc
9540-00-618-2644 INTERCHANGEABLE
Angle,structural
5935-00-988-0912 INTERCHANGEABLE
Backshell,electrical Connector
5962-01-169-4812CD4070BF INTERCHANGEABLE
Microcircuit,digital
Renesas Electronics America Inc
4820-01-188-324623135 INTERCHANGEABLE
Disk,valve
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6625-01-429-124823.135 INTERCHANGEABLE
Meter,special Scale
Northrop Grumman Systems Corporation
5330-01-691-711123135 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Tulsa Winch, Inc.
5307-01-726-300623135-1004-1 INTERCHANGEABLE
Stud,continuous Thread
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5306-01-726-462302-0067-6-88 INTERCHANGEABLE
Bolt,internal Wrenching
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
23135 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
23135-1002-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5133-00-228-1382INTERCHANGEABLE
DRILL,TWIST
2910-00-354-4969INTERCHANGEABLE
FLOAT,CARBURETOR
C85-15
9540-00-618-2644INTERCHANGEABLE
ANGLE,STRUCTURAL
5935-00-988-0912INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
5962-01-169-4812INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4070BF
4820-01-188-3246INTERCHANGEABLE
DISK,VALVE
23135
6625-01-429-1248INTERCHANGEABLE
METER,SPECIAL SCALE
23.135
5330-01-691-7111INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
23135
5307-01-726-3006INTERCHANGEABLE
STUD,CONTINUOUS THREAD
23135-1004-1
5306-01-726-4623INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
02-0067-6-88

Frequently Asked Questions

What is NSN 4820-01-728-1216?

NSN 4820-01-728-1216 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 4820-01-728-1216?

NSN 4820-01-728-1216 has 2 cross-referenced part numbers: 23135 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 23135-1002-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-728-1216?

There are 10 known substitutes for 4820-01-728-1216: 5133-00-228-1382, 2910-00-354-4969, 9540-00-618-2644 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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