PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22788Valve,pneumatic Tank

Alter Harry Co the Div of T E C · NSN 4820-00-493-6973 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-493-6973 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-493-6973. Primary manufacturer part number: 22788.
Features
  • Valve,pneumatic Tank — FSC 4820
  • Second End Connection Type: THREADED EXTERNAL PIPE
  • Second End Thread Direction: RIGHT-HAND
  • First End Thread Class: 3A A
  • First End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN
  • Flow Control Device: CORE
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Material: COPPER ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Device construction
General Description

The Valve,pneumatic Tank, cataloged under National Stock Number 4820-00-493-6973, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-493-6973
Primary Part Number22788
Item NameValve,pneumatic Tank
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusCANCELLED
Second End Connection TypeTHREADED EXTERNAL PIPE
Second End Thread DirectionRIGHT-HAND
First End Thread Class3A A
First End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
Flow Control DeviceCORE
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
Second End Style DesignatorPLAIN
Second End Nominal Pipe Size Accommodated0.125 INCHES IN
First End Connection TypeTHREADED EXTERNAL TUBE
Second End Relationship with First EndNOT IDENTICAL
Body StyleSTRAIGHT THRU
End Connection Quantity2
Commercial Spring Tension RatingNOT RATED
Furnished ItemsCAP
First End Thread DirectionRIGHT-HAND
First End Seat Angle in Deg45.0
First End Style DesignatorFLARED
Commercial Core Length DesignatorSHORT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-218-0147 INTERCHANGEABLE
Tee,pipe to Tube
7320-00-390-1528 INTERCHANGEABLE
Agitator,mixing Machine
2995-00-397-554124009 INTERCHANGEABLE
Pin Locking,valve
Hydro-Aire Aerospace Corp
3110-00-919-855839581-39520 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5360-01-051-947122788 INTERCHANGEABLE
Spring,helical,compression
Schneider Electric Systems Usa Inc
5340-01-053-7622202824 INTERCHANGEABLE
Retainer,helical Compression Spr
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
3010-01-282-8624S22788 INTERCHANGEABLE
Universal Joint,geared,nonvehicu
B.w. Elliott Manufacturing Co., Llc
5920-01-289-4844342838L INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
6515-01-507-1659202.824 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5325-01-514-69222-4009 INTERCHANGEABLE
Grommet,nonmetallic
Minor Rubber Co Inc
Cross-Reference Index
Part NumberManufacturer
22788 PRIMARY Alter Harry Co the Div of T E C (USA)
202824 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
24009 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
4730-00-218-0147INTERCHANGEABLE
TEE,PIPE TO TUBE
7320-00-390-1528INTERCHANGEABLE
AGITATOR,MIXING MACHINE
2995-00-397-5541INTERCHANGEABLE
PIN LOCKING,VALVE
24009
3110-00-919-8558INTERCHANGEABLE
BEARING,ROLLER,TAPERED
39581-39520
5360-01-051-9471INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
22788
5340-01-053-7622INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
202824
3010-01-282-8624INTERCHANGEABLE
UNIVERSAL JOINT,GEARED,NONVEHICU
S22788
5920-01-289-4844INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
342838L
6515-01-507-1659INTERCHANGEABLE
SCREW,BONE
202.824
5325-01-514-6922INTERCHANGEABLE
GROMMET,NONMETALLIC
2-4009
6505-01-593-0020INTERCHANGEABLE
HYDROCODONE BITARTRATE AND ACETA
NDC10702-0191-01

Frequently Asked Questions

What is NSN 4820-00-493-6973?

NSN 4820-00-493-6973 is a Valve,pneumatic Tank, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-493-6973?

NSN 4820-00-493-6973 has 3 cross-referenced part numbers: 22788 (Alter Harry Co the Div of T E C), 202824 (Triumph Thermal Systems - Maryland, Inc.), 24009 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-00-493-6973?

There are 11 known substitutes for 4820-00-493-6973: 4730-00-218-0147, 7320-00-390-1528, 2995-00-397-5541 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22788?

Key specifications for 22788: Second End Connection Type: THREADED EXTERNAL PIPE; Second End Thread Direction: RIGHT-HAND; First End Thread Class: 3A A; First End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-493-6973 still in active supply?

NSN 4820-00-493-6973 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com