PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

622BValve,pressure Equalizing,gaseou

Stratotech Llc · NSN 4820-00-452-2259 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-452-2259 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-452-2259. Primary manufacturer part number: 622B.
Features
  • Valve,pressure Equalizing,gaseou — FSC 4820
  • Body Style: SINGLE CONNECTION
  • Material: ALUMINUM ALLOY BODY
  • Temp Rating: 185.0 FAHRENHEIT DEGF
  • Media for Which Designed: AIR OR INERT GAS
  • 4 verified cross-references
  • Primary manufacturer: Stratotech Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-00-452-2259, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stratotech Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-452-2259
Primary Part Number622B
Item NameValve,pressure Equalizing,gaseou
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStratotech Llc
StatusACTIVE
Body StyleSINGLE CONNECTION
MaterialALUMINUM ALLOY BODY
Temp Rating185.0 FAHRENHEIT DEGF
Media for Which DesignedAIR OR INERT GAS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-248-3840MS29513-014 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6625-00-678-065710394564-010 INTERCHANGEABLE
Parts Kit,electronic Equipment
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
005014 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
005014 Ge Aviation Systems Llc (USA)
622B PRIMARY Stratotech Llc (USA)
005014 Ge Aviation Systems Llc Dba Ge Aviation (USA)
Related Parts
5331-00-248-3840INTERCHANGEABLE
O-RING
MS29513-014
6625-00-678-0657INTERCHANGEABLE
PARTS KIT,ELECTRONIC EQUIPMENT
10394564-010

Frequently Asked Questions

What is NSN 4820-00-452-2259?

NSN 4820-00-452-2259 is a Valve,pressure Equalizing,gaseou, manufactured by Stratotech Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-452-2259?

NSN 4820-00-452-2259 has 4 cross-referenced part numbers: 005014 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 005014 (Ge Aviation Systems Llc), 622B (Stratotech Llc), 005014 (Ge Aviation Systems Llc Dba Ge Aviation).

What NSN replaces 4820-00-452-2259?

There are 2 known substitutes for 4820-00-452-2259: 5331-00-248-3840, 6625-00-678-0657. Verify interchangeability with system specifications before substitution.

What are the specifications of 622B?

Key specifications for 622B: Body Style: SINGLE CONNECTION; Material: ALUMINUM ALLOY BODY; Temp Rating: 185.0 FAHRENHEIT DEGF; Media for Which Designed: AIR OR INERT GAS. 4 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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