PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HR1Humidity Element,hair

Regin Hvac Products, Inc. · NSN 6685-01-553-1456 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-553-1456 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-553-1456. Primary manufacturer part number: HR1.
Features
  • Humidity Element,hair — FSC 6685
  • 1 verified cross-reference
  • Primary manufacturer: Regin Hvac Products, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Humidity Element,hair, cataloged under National Stock Number 6685-01-553-1456, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Regin Hvac Products, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-553-1456
Primary Part NumberHR1
Item NameHumidity Element,hair
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerRegin Hvac Products, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-258-28281116775 INTERCHANGEABLE
Relay,electromagnetic
General Motors Llc Dba General Motors Llc
5930-00-272-1412 INTERCHANGEABLE
Housing,sensitive Switch
5999-00-534-7823HR1 INTERCHANGEABLE
Contact,electrical
Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
3110-00-555-4381999999K006 INTERCHANGEABLE
Cam Follower,needle Bearing
Naval Ship Systems Command
3426-01-264-2626 INTERCHANGEABLE
Anode,plating
5340-01-281-11466289752 INTERCHANGEABLE
Catch,clamping
Cadillac Gage Textron Inc.
6685-01-534-8882HR1 INTERCHANGEABLE
Control,humidity
Dale Cleaning Service
Cross-Reference Index
Part NumberManufacturer
HR1 PRIMARY Regin Hvac Products, Inc. (USA)
Related Parts
5945-00-258-2828INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1116775
5930-00-272-1412INTERCHANGEABLE
HOUSING,SENSITIVE SWITCH
5999-00-534-7823INTERCHANGEABLE
CONTACT,ELECTRICAL
HR1
3110-00-555-4381INTERCHANGEABLE
CAM FOLLOWER,NEEDLE BEARING
999999K006
3426-01-264-2626INTERCHANGEABLE
ANODE,PLATING
5340-01-281-1146INTERCHANGEABLE
CATCH,CLAMPING
6289752
6685-01-534-8882INTERCHANGEABLE
CONTROL,HUMIDITY
HR1

Frequently Asked Questions

What is NSN 6685-01-553-1456?

NSN 6685-01-553-1456 is a Humidity Element,hair, manufactured by Regin Hvac Products, Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-553-1456?

NSN 6685-01-553-1456 has 1 cross-referenced part number: HR1 (Regin Hvac Products, Inc.).

What NSN replaces 6685-01-553-1456?

There are 7 known substitutes for 6685-01-553-1456: 5945-00-258-2828, 5930-00-272-1412, 5999-00-534-7823 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HR1?

Key specifications for HR1: Special Features: 2-STAGE ON/OFF, TWO SPDT ADJUSTABLE RANGE 0-25% RH; RANGE 10 TO 95% RH;AMBIENT TEMP 105 DEG F; CONSTRUCTION POLYCARBONATED/ABS = BAYBLEND; WEIGHT 6OZ OZ. 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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