PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC101-0-1Control,humidity

Barber-Colman Co Environmental Controls Div · NSN 6685-00-885-0640 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-885-0640 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-885-0640. Primary manufacturer part number: HC101-0-1.
Features
  • Control,humidity — FSC 6685
  • Maximum Voltage Rating in Volts: 230.0 AC
  • Material: ALUMINUM CASE
  • Frequency in Hertz: 60.0
  • Inclosure Type: ENCASED
  • Sensing Element Type: HAIR INTERNAL
  • Maximum Overall Width: 2.062 INCHES IN
  • Intelligence Data Handling Capability: HUMIDITY RECEIVING AUTOMATIC
Applications
  • Applications requiring Aluminum Case construction
General Description

The Control,humidity, cataloged under National Stock Number 6685-00-885-0640, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Barber-Colman Co Environmental Controls Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-885-0640
Primary Part NumberHC101-0-1
Item NameControl,humidity
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBarber-Colman Co Environmental Controls Div
StatusCANCELLED
Maximum Voltage Rating in Volts230.0 AC
MaterialALUMINUM CASE
Frequency in Hertz60.0
Inclosure TypeENCASED
Sensing Element TypeHAIR INTERNAL
Maximum Overall Width2.062 INCHES IN
Intelligence Data Handling CapabilityHUMIDITY RECEIVING AUTOMATIC
Operating Range10 TO 90 PERCENT RELATIVE HUMIDITY RANGE
Mounting MethodBULKHEAD
Indication MethodTRANSMITTING DISK SCALE
Maximum Overall Length4.000 INCHES IN
Maximum Overall Height1.500 INCHES IN
Power SourceEXTERNAL
Surface TreatmentENAMEL CASE
PhaseSINGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-112-5872203-781 INTERCHANGEABLE
Bearing,roller,needle
Aerocontrolex Group, Inc.
5110-00-273-0128103 INTERCHANGEABLE
Shears,metal Cutting,hand
Stanley Tools Div of Stanley Works
4820-00-287-82521263929 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Chrysler Realty Company Llc Dba Daimler Chrysler
5130-00-317-8039 INTERCHANGEABLE
Wheel,abrasive
5330-00-346-1886B52 INTERCHANGEABLE
Gasket,cover Plate
Insinger Machine Co
3030-00-585-57562706-0471-07 INTERCHANGEABLE
Belt,v
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
5340-00-672-2725 INTERCHANGEABLE
Clamp,loop
5930-00-828-2309B52 INTERCHANGEABLE
Switch,thermostatic
United Electric Controls Company
4730-01-050-4033 INTERCHANGEABLE
Coupling Half,quick Disconnect
3110-01-090-31777Z7-018 INTERCHANGEABLE
Bearing,ball,thrust
Designatronics Inc Stock Drive Products Div
Cross-Reference Index
Part NumberManufacturer
721856-27 Raytheon Company Div Rmd Strategic (USA)
721856-027 Raytheon Company Dba Raytheon (USA)
1142-92 Avaho Acquisition Corp Dba Impac (USA)
HC101A Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
HC101 Barber-Colman Co Environmental Controls Div (USA)
BAR142 Avaho Acquisition Corp Dba Impac (USA)
HC101-0-1 PRIMARY Barber-Colman Co Environmental Controls Div (USA)
721856-27 Raytheon Company Dba Raytheon (USA)
HC101A250VDC Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
76D1010226 Carrier Corp (USA)
B5-2 Ellis & Watts International, Llc (USA)
721856-027 Raytheon Company Div Rmd Strategic (USA)
Related Parts
3110-00-112-5872INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
203-781
5110-00-273-0128INTERCHANGEABLE
SHEARS,METAL CUTTING,HAND
103
4820-00-287-8252INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
1263929
5130-00-317-8039INTERCHANGEABLE
WHEEL,ABRASIVE
5330-00-346-1886INTERCHANGEABLE
GASKET,COVER PLATE
B52
3030-00-585-5756INTERCHANGEABLE
BELT,V
2706-0471-07
5340-00-672-2725INTERCHANGEABLE
CLAMP,LOOP
5930-00-828-2309INTERCHANGEABLE
SWITCH,THERMOSTATIC
B52
4730-01-050-4033INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
3110-01-090-3177INTERCHANGEABLE
BEARING,BALL,THRUST
7Z7-018
3530-01-280-4269INTERCHANGEABLE
GUIDE,THREAD,SEWING MACHINE
B52
6680-01-280-8881INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
114292

Frequently Asked Questions

What is NSN 6685-00-885-0640?

NSN 6685-00-885-0640 is a Control,humidity, manufactured by Barber-Colman Co Environmental Controls Div, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-885-0640?

NSN 6685-00-885-0640 has 12 cross-referenced part numbers: 721856-27 (Raytheon Company Div Rmd Strategic), 721856-027 (Raytheon Company Dba Raytheon), 1142-92 (Avaho Acquisition Corp Dba Impac), HC101A (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), HC101 (Barber-Colman Co Environmental Controls Div) and 7 more.

What NSN replaces 6685-00-885-0640?

There are 12 known substitutes for 6685-00-885-0640: 3110-00-112-5872, 5110-00-273-0128, 4820-00-287-8252 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HC101-0-1?

Key specifications for HC101-0-1: Maximum Voltage Rating in Volts: 230.0 AC; Material: ALUMINUM CASE; Frequency in Hertz: 60.0; Inclosure Type: ENCASED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-885-0640 still in active supply?

NSN 6685-00-885-0640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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