PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7220-1Stem Assembly,valve,pressure

Treadwell Corporation (delaware) Dba Treadwell Corp · NSN 4920-00-788-3414 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-788-3414 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-788-3414. Primary manufacturer part number: 7220-1.
Features
  • Stem Assembly,valve,pressure — FSC 4920
  • Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR USE ON ELECTROLYTIC OXYGEN-NITROGEN GENERATOR
  • 5 verified cross-references
  • Primary manufacturer: Treadwell Corporation (delaware) Dba Treadwell Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem Assembly,valve,pressure, cataloged under National Stock Number 4920-00-788-3414, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Treadwell Corporation (delaware) Dba Treadwell Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-00-788-3414
Primary Part Number7220-1
Item NameStem Assembly,valve,pressure
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerTreadwell Corporation (delaware) Dba Treadwell Corp
StatusACTIVE
Reference Number Differentiating CharacteristicsSELECTED AND TESTED FOR USE ON ELECTROLYTIC OXYGEN-NITROGEN GENERATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-228-5545 INTERCHANGEABLE
Socket,plug-in Electronic Compon
4820-00-792-74207220-01 INTERCHANGEABLE
Valve,butterfly
Aerospace Lighting Corporation
4820-01-249-00107220-4 INTERCHANGEABLE
Valve,butterfly
Aerospace Lighting Corporation
6145-01-282-8695 INTERCHANGEABLE
Cable,special Purpose,electrical
6150-01-469-784638-304 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Digital Corp Div General Digital Corporation
Cross-Reference Index
Part NumberManufacturer
7220-1 Treadwell Corporation (delaware) Dba Treadwell Corp (USA)
E-39227-28 General Regulator Corp. Dba Accudriv (USA)
8882-6 ITEM 28 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
7220-1 Siemens Moore Process Automation (GBR)
7220-1 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
5935-00-228-5545INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4820-00-792-7420INTERCHANGEABLE
VALVE,BUTTERFLY
7220-01
4820-01-249-0010INTERCHANGEABLE
VALVE,BUTTERFLY
7220-4
6145-01-282-8695INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6150-01-469-7846INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
38-304

Frequently Asked Questions

What is NSN 4920-00-788-3414?

NSN 4920-00-788-3414 is a Stem Assembly,valve,pressure, manufactured by Treadwell Corporation (delaware) Dba Treadwell Corp, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-788-3414?

NSN 4920-00-788-3414 has 5 cross-referenced part numbers: 7220-1 (Treadwell Corporation (delaware) Dba Treadwell Corp), E-39227-28 (General Regulator Corp. Dba Accudriv), 8882-6 ITEM 28 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 7220-1 (Siemens Moore Process Automation), 7220-1 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 4920-00-788-3414?

There are 5 known substitutes for 4920-00-788-3414: 5935-00-228-5545, 4820-00-792-7420, 4820-01-249-0010 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7220-1?

Key specifications for 7220-1: Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR USE ON ELECTROLYTIC OXYGEN-NITROGEN GENERATOR. 1 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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