PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4700Controller,humidity,alarm

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 6685-01-063-0559 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-063-0559 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-063-0559. Primary manufacturer part number: 4700.
Features
  • Controller,humidity,alarm — FSC 6685
  • General Characteristics Item Description: HERMATICALLY SEALED; NONREPAIRABLE; POWER INPUT 110 V; AC; 60 OR 400 HZ; 5.000 IN. LG; 5.000 IN. W; 1.750 IN. DP V
  • 4 verified cross-references
  • Primary manufacturer: Howell Laboratories Inc Dba Howell Laboratories Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Controller,humidity,alarm, cataloged under National Stock Number 6685-01-063-0559, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN6685-01-063-0559
Primary Part Number4700
Item NameController,humidity,alarm
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
General Characteristics Item DescriptionHERMATICALLY SEALED; NONREPAIRABLE; POWER INPUT 110 V; AC; 60 OR 400 HZ; 5.000 IN. LG; 5.000 IN. W; 1.750 IN. DP V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-020-02032000195 INTERCHANGEABLE
O-Ring
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
5340-00-065-81263904 INTERCHANGEABLE
Clamp,loop
Abb Installation Products Inc
6250-00-158-89004300 INTERCHANGEABLE
Lampholder
Westinghouse Electric Corp
2915-00-166-6581 INTERCHANGEABLE
Plate,fuel Pump
2640-00-204-2279248RM220A36 INTERCHANGEABLE
Valve Extension,tire
Chief of Engineers Dept of Army
5945-00-295-32051145469 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-601-7176PH541 INTERCHANGEABLE
Seal,oil
Wisconsin Motors, Llc
5310-00-871-683435107093 INTERCHANGEABLE
Nut,wheel
Clark Equipment Co Div Doosan Infracore Portable Power
3120-00-882-279839041 INTERCHANGEABLE
Bushing,sleeve
Hydro-Aire Aerospace Corp
5310-00-971-79884603-7 INTERCHANGEABLE
Nut,wheel
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
26830861 Vapor Corp Sub of Brunswick Corp (USA)
4700 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
3904 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
3904-1 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5331-00-020-0203INTERCHANGEABLE
O-RING
2000195
5340-00-065-8126INTERCHANGEABLE
CLAMP,LOOP
3904
6250-00-158-8900INTERCHANGEABLE
LAMPHOLDER
4300
2915-00-166-6581INTERCHANGEABLE
PLATE,FUEL PUMP
2640-00-204-2279INTERCHANGEABLE
VALVE EXTENSION,TIRE
248RM220A36
5945-00-295-3205INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1145469
5330-00-601-7176INTERCHANGEABLE
SEAL,OIL
PH541
5310-00-871-6834INTERCHANGEABLE
NUT,WHEEL
35107093
3120-00-882-2798INTERCHANGEABLE
BUSHING,SLEEVE
39041
5310-00-971-7988INTERCHANGEABLE
NUT,WHEEL
4603-7
2925-01-104-8163INTERCHANGEABLE
SLEEVE
3904
6505-01-249-9467INTERCHANGEABLE
DOXEPIN HYDROCHLORIDE CAPSULES
3904

Frequently Asked Questions

What is NSN 6685-01-063-0559?

NSN 6685-01-063-0559 is a Controller,humidity,alarm, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-063-0559?

NSN 6685-01-063-0559 has 4 cross-referenced part numbers: 26830861 (Vapor Corp Sub of Brunswick Corp), 4700 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3904 (Howell Laboratories Inc Dba Howell Laboratories Inc), 3904-1 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 6685-01-063-0559?

There are 12 known substitutes for 6685-01-063-0559: 5331-00-020-0203, 5340-00-065-8126, 6250-00-158-8900 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4700?

Key specifications for 4700: General Characteristics Item Description: HERMATICALLY SEALED; NONREPAIRABLE; POWER INPUT 110 V; AC; 60 OR 400 HZ; 5.000 IN. LG; 5.000 IN. W; 1.750 IN. DP V. 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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