PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-150Valve,pneumatic Tank

Cpi Satcom & Antenna Technologies Inc. · NSN 4820-00-925-4663 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-925-4663 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-925-4663. Primary manufacturer part number: 21-150.
Features
  • Valve,pneumatic Tank — FSC 4820
  • Media for Which Designed: AIR
  • Material: COPPER ALLOY BODY
  • First End Style Designator: REDUCED GASKET SEAL
  • Body Style: STRAIGHT THRU
  • First End Nominal Pipe Size Accommodated: 0.125 INCHES IN
  • First End Thread Direction: RIGHT-HAND
  • Commercial Core Length Designator: STANDARD
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,pneumatic Tank, cataloged under National Stock Number 4820-00-925-4663, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cpi Satcom & Antenna Technologies Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-925-4663
Primary Part Number21-150
Item NameValve,pneumatic Tank
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCpi Satcom & Antenna Technologies Inc.
StatusACTIVE
Media for Which DesignedAIR
MaterialCOPPER ALLOY BODY
First End Style DesignatorREDUCED GASKET SEAL
Body StyleSTRAIGHT THRU
First End Nominal Pipe Size Accommodated0.125 INCHES IN
First End Thread DirectionRIGHT-HAND
Commercial Core Length DesignatorSTANDARD
First End Connection TypeTHREADED EXTERNAL PIPE
Flow Control DeviceCORE
End Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5307-00-206-1459111 INTERCHANGEABLE
Stud,plain
Industrial Technologies and Services Llc
5330-00-300-5454 INTERCHANGEABLE
Seal,needle,filler
5330-00-399-603221150 INTERCHANGEABLE
Packing,preformed
Paccar Winch Inc Dba Paccar Winch Division
5961-00-759-1449 INTERCHANGEABLE
Semiconductor Device Assembly
3030-01-017-796521150 INTERCHANGEABLE
Belt,cooler Unit
Noske-Kaeser Germany Gmbh
5935-01-047-3958 INTERCHANGEABLE
Connector,plug,electrical
5935-01-107-951721150 INTERCHANGEABLE
Connector,receptacle,electrical
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6665-01-120-6651 INTERCHANGEABLE
Detector,gas Leak
1650-01-309-381021150 INTERCHANGEABLE
Mount-Flange Assembly
Parker Hannifin Corporation Div Hydraulic Systems Division
3110-01-353-4482 INTERCHANGEABLE
Cup,tapered Roller Bearing
Cross-Reference Index
Part NumberManufacturer
21-150 PRIMARY Cpi Satcom & Antenna Technologies Inc. (USA)
Related Parts
5307-00-206-1459INTERCHANGEABLE
STUD,PLAIN
111
5330-00-300-5454INTERCHANGEABLE
SEAL,NEEDLE,FILLER
5330-00-399-6032INTERCHANGEABLE
PACKING,PREFORMED
21150
5961-00-759-1449INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
3030-01-017-7965INTERCHANGEABLE
BELT,COOLER UNIT
21150
5935-01-047-3958INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-01-107-9517INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
21150
6665-01-120-6651INTERCHANGEABLE
DETECTOR,GAS LEAK
1650-01-309-3810INTERCHANGEABLE
MOUNT-FLANGE ASSEMBLY
21150
3110-01-353-4482INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3120-01-355-9226INTERCHANGEABLE
BUSHING,SLEEVE
21150
5950-01-399-7258INTERCHANGEABLE
TRANSFORMER,POWER
21150

Frequently Asked Questions

What is NSN 4820-00-925-4663?

NSN 4820-00-925-4663 is a Valve,pneumatic Tank, manufactured by Cpi Satcom & Antenna Technologies Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-925-4663?

NSN 4820-00-925-4663 has 1 cross-referenced part number: 21-150 (Cpi Satcom & Antenna Technologies Inc.).

What NSN replaces 4820-00-925-4663?

There are 12 known substitutes for 4820-00-925-4663: 5307-00-206-1459, 5330-00-300-5454, 5330-00-399-6032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-150?

Key specifications for 21-150: Media for Which Designed: AIR; Material: COPPER ALLOY BODY; First End Style Designator: REDUCED GASKET SEAL; Body Style: STRAIGHT THRU. 10 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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