PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101002Valve,butterfly

American Turbo Systems Inc · NSN 4820-01-125-9337 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-125-9337 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-125-9337. Primary manufacturer part number: 101002.
Features
  • Valve,butterfly — FSC 4820
  • Valve Operation Method: AIR
  • Connection Style: BEADED (HOSE) FIRST END
  • Connection Type: UNTHREADED EXTERNAL HOSE FIRST END
  • Style Designator: STRAIGHT THRU
  • 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 4820-01-125-9337, 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 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-125-9337
Primary Part Number101002
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmerican Turbo Systems Inc
StatusACTIVE
Valve Operation MethodAIR
Connection StyleBEADED (HOSE) FIRST END
Connection TypeUNTHREADED EXTERNAL HOSE FIRST END
Style DesignatorSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-187-2572101002 INTERCHANGEABLE
File,rotary
Jarvis Cutting Tools Inc
5950-00-189-3635100847P2 INTERCHANGEABLE
Coil,radio Frequency
Lockheed Martin Corporation Div Rms
5999-00-259-5098101002XX INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
5935-00-337-0445REC49347 INTERCHANGEABLE
Connector,receptacle,electrical
Naval Ship Systems Command
1650-00-692-3737 INTERCHANGEABLE
Valve,hydraulic Man
5342-00-714-35219151C2 INTERCHANGEABLE
Support Lock,left
Aqualung Usa, Inc
5307-00-860-6628 INTERCHANGEABLE
Stud,shouldered
5895-00-956-3889101002 INTERCHANGEABLE
Bracket Assembly,re
Bae Systems Information and Electronic Systems Integration Inc.
4540-01-029-867650-1002 INTERCHANGEABLE
Knife,slicer,garbage Disposal
Fabwright Inc
5905-01-245-6175101-002 INTERCHANGEABLE
Resistor,fixed,film
Panametrics Llc
Cross-Reference Index
Part NumberManufacturer
101002 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
101002 PRIMARY American Turbo Systems Inc (USA)
Related Parts
3455-00-187-2572INTERCHANGEABLE
FILE,ROTARY
101002
5950-00-189-3635INTERCHANGEABLE
COIL,RADIO FREQUENCY
100847P2
5999-00-259-5098INTERCHANGEABLE
CLIP,ELECTRICAL
101002XX
5935-00-337-0445INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
REC49347
1650-00-692-3737INTERCHANGEABLE
VALVE,HYDRAULIC MAN
5342-00-714-3521INTERCHANGEABLE
SUPPORT LOCK,LEFT
9151C2
5307-00-860-6628INTERCHANGEABLE
STUD,SHOULDERED
5895-00-956-3889INTERCHANGEABLE
BRACKET ASSEMBLY,RE
101002
4540-01-029-8676INTERCHANGEABLE
KNIFE,SLICER,GARBAGE DISPOSAL
50-1002
5905-01-245-6175INTERCHANGEABLE
RESISTOR,FIXED,FILM
101-002
9390-01-299-3339INTERCHANGEABLE
NONMETALLIC CHANNEL
1010-02
3820-01-338-3591INTERCHANGEABLE
BIT,ROCK DRILL
1010-02

Frequently Asked Questions

What is NSN 4820-01-125-9337?

NSN 4820-01-125-9337 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 4820-01-125-9337?

NSN 4820-01-125-9337 has 2 cross-referenced part numbers: 101002 (Walker Power Systems, Inc. Dba Tiernay Turbines), 101002 (American Turbo Systems Inc).

What NSN replaces 4820-01-125-9337?

There are 12 known substitutes for 4820-01-125-9337: 3455-00-187-2572, 5950-00-189-3635, 5999-00-259-5098 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101002?

Key specifications for 101002: Valve Operation Method: AIR; Connection Style: BEADED (HOSE) FIRST END; Connection Type: UNTHREADED EXTERNAL HOSE FIRST END; Style Designator: STRAIGHT THRU. 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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