PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100612Valve,butterfly

American Turbo Systems Inc · NSN 4820-01-133-2112 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-133-2112 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-133-2112. Primary manufacturer part number: 100612.
Features
  • Valve,butterfly — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Valve Size: 3.000 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: American Turbo Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-133-2112, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is American Turbo Systems Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-133-2112
Primary Part Number100612
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmerican Turbo Systems Inc
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Valve Size3.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1680-00-980-9385100612 INTERCHANGEABLE
Screen
Woodward Hrt Inc
5950-01-050-0593920012-6 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
4930-01-314-2490 INTERCHANGEABLE
Lubricating and Servicing Unit,p
5985-01-533-6924201-002-9.375 INTERCHANGEABLE
Line,radio Frequency Transmissio
Myat, Inc. Dba Myat Inc
Cross-Reference Index
Part NumberManufacturer
100612 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
100612 PRIMARY American Turbo Systems Inc (USA)
Related Parts
1680-00-980-9385INTERCHANGEABLE
SCREEN
100612
5950-01-050-0593INTERCHANGEABLE
COIL,RADIO FREQUENCY
920012-6
4930-01-314-2490INTERCHANGEABLE
LUBRICATING AND SERVICING UNIT,P
5985-01-533-6924INTERCHANGEABLE
LINE,RADIO FREQUENCY TRANSMISSIO
201-002-9.375

Frequently Asked Questions

What is NSN 4820-01-133-2112?

NSN 4820-01-133-2112 is a Valve,butterfly, manufactured by American Turbo Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-133-2112?

NSN 4820-01-133-2112 has 2 cross-referenced part numbers: 100612 (Walker Power Systems, Inc. Dba Tiernay Turbines), 100612 (American Turbo Systems Inc).

What NSN replaces 4820-01-133-2112?

There are 4 known substitutes for 4820-01-133-2112: 1680-00-980-9385, 5950-01-050-0593, 4930-01-314-2490 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100612?

Key specifications for 100612: Style Designator: STRAIGHT THRU; Valve Size: 3.000 INCHES IN; Special Features: INCL ACTUATOR. 3 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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