PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HH29AA050Thermostat,flow Control

Carrier Corp · NSN 6685-01-154-0194 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-154-0194 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-154-0194. Primary manufacturer part number: HH29AA050.
Features
  • Thermostat,flow Control — FSC 6685
  • 2 verified cross-references
  • Primary manufacturer: Carrier Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-154-0194, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Carrier Corp. This item has 2 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.

Catalog Facts
Item NameThermostat,flow Control
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersCarrier Corp (CAGE 10855)
Technical Specifications
ParameterValue
NSN6685-01-154-0194
Primary Part NumberHH29AA050
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCarrier Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0665645 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2640-00-255-99894400 INTERCHANGEABLE
Cap,pneumatic Valve
Schrader-Bridgeport International Inc Dba Schrader Automotive
5120-00-278-106528820 INTERCHANGEABLE
Vise,bench and Pipe
Wilton Corp Wilton Tool Div
5325-00-286-8045 INTERCHANGEABLE
Eyelet,metallic
5360-00-292-4101645 INTERCHANGEABLE
Spring,helical,compression
Struthers Wells Corp
6625-00-407-6237SCC25816 INTERCHANGEABLE
Electromagnetic Act
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4510-00-421-3913 INTERCHANGEABLE
Holder,water Tumbler
6625-00-538-6482 INTERCHANGEABLE
Probe,test
6685-00-878-7161164451 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-951-5971165660A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
645 Carrier Corp (USA)
HH29AA050 PRIMARY Carrier Corp (USA)
Related Parts
3110-00-100-0665INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
645
2640-00-255-9989INTERCHANGEABLE
CAP,PNEUMATIC VALVE
4400
5120-00-278-1065INTERCHANGEABLE
VISE,BENCH AND PIPE
28820
5325-00-286-8045INTERCHANGEABLE
EYELET,METALLIC
5360-00-292-4101INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
645
6625-00-407-6237INTERCHANGEABLE
ELECTROMAGNETIC ACT
SCC25816
4510-00-421-3913INTERCHANGEABLE
HOLDER,WATER TUMBLER
6625-00-538-6482INTERCHANGEABLE
PROBE,TEST
6685-00-878-7161INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164451
6685-00-951-5971INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
165660A
5985-01-033-9348INTERCHANGEABLE
HORN,WAVEGUIDE
645
5136-01-046-8857INTERCHANGEABLE
DIE,THREAD CUTTING
23312

Frequently Asked Questions

What is NSN 6685-01-154-0194?

NSN 6685-01-154-0194 is a Thermostat,flow Control, manufactured by Carrier Corp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-154-0194?

NSN 6685-01-154-0194 has 2 cross-referenced part numbers: 645 (Carrier Corp), HH29AA050 (Carrier Corp).

What NSN replaces 6685-01-154-0194?

There are 12 known substitutes for 6685-01-154-0194: 3110-00-100-0665, 2640-00-255-9989, 5120-00-278-1065 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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