PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40106-1 PC NO 18Stem,fluid Valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-516-3734 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-516-3734 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-516-3734. Primary manufacturer part number: 40106-1 PC NO 18.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • Valve Size for Which Designed: 2.000 INCHES IN
  • Valve Type for Which Designed: REGULATOR
  • Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-516-3734, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-516-3734
Primary Part Number40106-1 PC NO 18
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialNICKEL ALLOY
Valve Size for Which Designed2.000 INCHES IN
Valve Type for Which DesignedREGULATOR
Material Document and ClassificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-118-587633901 INTERCHANGEABLE
Gear Set,bevel,matched
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3120-00-404-9642401061 INTERCHANGEABLE
Bearing,sleeve
Vibratech Inc
2520-00-471-0023922862 INTERCHANGEABLE
Seal Kit,vehicular
Eaton Aerospace, Llc Dba Jackson South
5305-00-618-456831W3133 INTERCHANGEABLE
Screw Asy
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5935-00-872-66143390-1 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms
6105-01-015-873933901 INTERCHANGEABLE
Rotor and Shaft Ass
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5945-01-020-300633901 INTERCHANGEABLE
Solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-01-046-2895 INTERCHANGEABLE
Drill,twist
8475-01-136-7041339-01 INTERCHANGEABLE
Insert Assy
Avox Systems Inc Dba Avox Systems Inc
6530-01-153-6373006806 INTERCHANGEABLE
Bottle,nursing
Mead Johnson & Company, Llc
Cross-Reference Index
Part NumberManufacturer
40106-1 PC NO 18 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
339-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40106-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3020-00-118-5876INTERCHANGEABLE
GEAR SET,BEVEL,MATCHED
33901
3120-00-404-9642INTERCHANGEABLE
BEARING,SLEEVE
401061
2520-00-471-0023INTERCHANGEABLE
SEAL KIT,VEHICULAR
922862
5305-00-618-4568INTERCHANGEABLE
SCREW ASY
31W3133
5935-00-872-6614INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3390-1
6105-01-015-8739INTERCHANGEABLE
ROTOR AND SHAFT ASS
33901
5945-01-020-3006INTERCHANGEABLE
SOLENOID
33901
5133-01-046-2895INTERCHANGEABLE
DRILL,TWIST
8475-01-136-7041INTERCHANGEABLE
INSERT ASSY
339-01
6530-01-153-6373INTERCHANGEABLE
BOTTLE,NURSING
006806
7930-01-314-6133INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT-DETERG
185915
5950-01-420-6446INTERCHANGEABLE
TRANSFORMER,POWER
33901

Frequently Asked Questions

What is NSN 4820-01-516-3734?

NSN 4820-01-516-3734 is a Stem,fluid Valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-516-3734?

NSN 4820-01-516-3734 has 3 cross-referenced part numbers: 40106-1 PC NO 18 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 339-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40106-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-516-3734?

There are 12 known substitutes for 4820-01-516-3734: 3020-00-118-5876, 3120-00-404-9642, 2520-00-471-0023 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40106-1 PC NO 18?

Key specifications for 40106-1 PC NO 18: Material: NICKEL ALLOY; Valve Size for Which Designed: 2.000 INCHES IN; Valve Type for Which Designed: REGULATOR; Material Document and Classification: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE. 5 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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