PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50146-28Regulator,temperature

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 6685-01-686-9519 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-686-9519 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-686-9519. Primary manufacturer part number: 50146-28.
Features
  • Regulator,temperature — FSC 6685
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,temperature, cataloged under National Stock Number 6685-01-686-9519, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRegulator,temperature
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersTrac Regulator Co., Inc. Dba Trac Regulator Co Inc (CAGE 55378)
Technical Specifications
ParameterValue
NSN6685-01-686-9519
Primary Part Number50146-28
Item NameRegulator,temperature
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-972-2893 INTERCHANGEABLE
Semiconductor Device,photo
5307-01-057-92875202-275 INTERCHANGEABLE
Stud,ball
Lucent Technologies Inc Corporate Headquarters
4820-01-341-426640055-4 PART 40055-408 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-397-7096 INTERCHANGEABLE
Valve,regulating,temperature
4820-01-423-198440055-412 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-424-987040055-411 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4920-01-494-0681400-554 INTERCHANGEABLE
Raf Tool Boom
Lockheed Martin Corporation Div Rotary and Mission Systems
4820-01-500-347940055-413 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-687-382340055-419 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40055-4 PC NO 35 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50146-28 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40055-4 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5961-00-972-2893INTERCHANGEABLE
SEMICONDUCTOR DEVICE,PHOTO
5307-01-057-9287INTERCHANGEABLE
STUD,BALL
5202-275
4820-01-341-4266INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40055-4 PART 40055-408
4820-01-397-7096INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
4820-01-423-1984INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40055-412
4820-01-424-9870INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40055-411
4920-01-494-0681INTERCHANGEABLE
RAF TOOL BOOM
400-554
4820-01-500-3479INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40055-413
4820-01-687-3823INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40055-419

Frequently Asked Questions

What is NSN 6685-01-686-9519?

NSN 6685-01-686-9519 is a Regulator,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-686-9519?

NSN 6685-01-686-9519 has 3 cross-referenced part numbers: 40055-4 PC NO 35 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50146-28 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 6685-01-686-9519?

There are 9 known substitutes for 6685-01-686-9519: 5961-00-972-2893, 5307-01-057-9287, 4820-01-341-4266 and 6 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com