PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6995-G501Dehydrator,membrane

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4440-01-502-6179 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-502-6179 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-502-6179. Primary manufacturer part number: 6995-G501.
Features
  • Dehydrator,membrane — FSC 4440
  • Criticality Code Justification: FEAT
  • 3 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 Dehydrator,membrane, cataloged under National Stock Number 4440-01-502-6179, is classified within Federal Supply Class 4440 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4440-01-502-6179
Primary Part Number6995-G501
Item NameDehydrator,membrane
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5940-00-226-96124400-5 INTERCHANGEABLE
Terminal Board
Marco Manufacturing Co Inc
4730-00-278-4293 INTERCHANGEABLE
Elbow,pipe
5360-00-366-770069-95 INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
5960-00-501-1067 INTERCHANGEABLE
Electron Tube
5360-00-786-807812629 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5995-00-834-2927406155-1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Raytheon Company Dba Raytheon
4935-01-111-8099438138-1 INTERCHANGEABLE
Screen and Bracket
Raytheon Company Dba Raytheon Co
5305-01-572-49776995 INTERCHANGEABLE
Setscrew
Truck-Lite Co., Llc
6665-01-587-10456995 INTERCHANGEABLE
Cable,indicator,radiac
Bnc Corp.
Cross-Reference Index
Part NumberManufacturer
6995-G501 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6995 ASSY G501 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6995 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5940-00-226-9612INTERCHANGEABLE
TERMINAL BOARD
4400-5
4730-00-278-4293INTERCHANGEABLE
ELBOW,PIPE
5360-00-366-7700INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
69-95
5960-00-501-1067INTERCHANGEABLE
ELECTRON TUBE
5360-00-786-8078INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12629
5995-00-834-2927INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
406155-1
4935-01-111-8099INTERCHANGEABLE
SCREEN AND BRACKET
438138-1
5305-01-572-4977INTERCHANGEABLE
SETSCREW
6995
6665-01-587-1045INTERCHANGEABLE
CABLE,INDICATOR,RADIAC
6995

Frequently Asked Questions

What is NSN 4440-01-502-6179?

NSN 4440-01-502-6179 is a Dehydrator,membrane, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-502-6179?

NSN 4440-01-502-6179 has 3 cross-referenced part numbers: 6995-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6995 ASSY G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6995 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4440-01-502-6179?

There are 9 known substitutes for 4440-01-502-6179: 5940-00-226-9612, 4730-00-278-4293, 5360-00-366-7700 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6995-G501?

Key specifications for 6995-G501: Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BE SPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DEFIVERED UNDER NAVICP CONTRACTS; End Item Identification: DEHYDRATOR MEMBRANE 0-20SCFM 11 VAC 6995-G501 VAC; Criticality Code Justification: FEAT. 3 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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