PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50199-02Thermostatic Element,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-091-2861 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-091-2861 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-091-2861. Primary manufacturer part number: 50199-02.
Features
  • Thermostatic Element,valve — FSC 4820
  • General Characteristics Item Description: PART OF TEMP REGULATOR VALVE;2.500 IN.,THREE WAY;TEMP RANGE 90-130;CAP.LG 10 FEET+1-1/2 BY 19 SS BULB IN
  • 4 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
General Description

The Thermostatic Element,valve, cataloged under National Stock Number 4820-01-091-2861, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-01-091-2861
Primary Part Number50199-02
Item NameThermostatic Element,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
General Characteristics Item DescriptionPART OF TEMP REGULATOR VALVE;2.500 IN.,THREE WAY;TEMP RANGE 90-130;CAP.LG 10 FEET+1-1/2 BY 19 SS BULB IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2810-00-118-525140176 INTERCHANGEABLE
Screen Assembly,carburetor
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6680-00-130-7360020-007-003 INTERCHANGEABLE
Transmitter,liquid Quantity
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
9540-00-261-5145 INTERCHANGEABLE
Beam,structural
3040-00-263-4114SCB69364 INTERCHANGEABLE
Collar,shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-289-3258182-221 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Dresser Industries Inc Leroi Div
5330-00-291-640310014 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
9540-00-555-0815 INTERCHANGEABLE
Beam,structural
6625-00-669-4311 INTERCHANGEABLE
Meter,magnetron Current
1005-00-831-1385 INTERCHANGEABLE
Follower,cartridge,small Arms
5950-01-020-652210548787 INTERCHANGEABLE
Reactor
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
50199 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40176PFIND 1 PART 50199-02 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40176 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
50199-02 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
2810-00-118-5251INTERCHANGEABLE
SCREEN ASSEMBLY,CARBURETOR
40176
6680-00-130-7360INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
020-007-003
9540-00-261-5145INTERCHANGEABLE
BEAM,STRUCTURAL
3040-00-263-4114INTERCHANGEABLE
COLLAR,SHAFT
SCB69364
4730-00-289-3258INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
182-221
5330-00-291-6403INTERCHANGEABLE
SEAL,PLAIN ENCASED
10014
9540-00-555-0815INTERCHANGEABLE
BEAM,STRUCTURAL
6625-00-669-4311INTERCHANGEABLE
METER,MAGNETRON CURRENT
1005-00-831-1385INTERCHANGEABLE
FOLLOWER,CARTRIDGE,SMALL ARMS
5950-01-020-6522INTERCHANGEABLE
REACTOR
10548787
5975-01-097-4699INTERCHANGEABLE
PANEL,BLANK
4820-01-148-9423INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40176-105

Frequently Asked Questions

What is NSN 4820-01-091-2861?

NSN 4820-01-091-2861 is a Thermostatic Element,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 4820-01-091-2861?

NSN 4820-01-091-2861 has 4 cross-referenced part numbers: 50199 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40176PFIND 1 PART 50199-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40176 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 50199-02 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-091-2861?

There are 12 known substitutes for 4820-01-091-2861: 2810-00-118-5251, 6680-00-130-7360, 9540-00-261-5145 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50199-02?

Key specifications for 50199-02: General Characteristics Item Description: PART OF TEMP REGULATOR VALVE;2.500 IN.,THREE WAY;TEMP RANGE 90-130;CAP.LG 10 FEET+1-1/2 BY 19 SS BULB IN. 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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