Howell Labs: Home page

Howell Laboratories, Inc.

P. O. Box 389, 188 Harrison Rd., Bridgton Maine 04009 USA
(207) 647-3327 (888) 744-8359 FAX (207) 647-8273 contracts@howelllabs.com

- An Employee-Owned Company -
Certified to ISO 9001:2000

HLI News
New contract: 7600 ECOLCELL Chlorinators for DDG-113 and follow ships.
[More]
New Products
Portable seawater chlorinator: Port-A-Chlor 8600.
[More]

Upgraded medium-pressure air dehydrator, Model 8785, to replace our obsolete Model 7053.
Call now for more information

Customized potable water treatment systems for Iraqi 35m patrol boats ...
... or for your application!
Call now for more information
Around the World
January 2010:
HLI supporting relief efforts in Haiti
At HLI
September 2008: David Douglas joins HLI as Director of Sales, Marine Products.

Parts for Model 6750

NOTE: This list does not include hardware items such as bolts, nuts, washers, and O-rings. The manufacturer uses stainless steel hardware in standard U. S. sizes, and MIL-SPEC O-rings.
Howell Laboratories, Inc. is CAGE 22501.

Technical Manual S9514-E5-MMA-010
Technical Repair Standard S9514-E5-TRS-010

Part Description NSN HLI Part No. Quantity per Unit

Valve Handle 6843-01 1
Cover, Desiccant Chamber 6862-01 2

Main Air System

O-Ring, Main Air Inlet Union M83248/2-114 1
Prefilter Assembly 4921 1
O-Ring, Thread, Prefilter Inlet Union M83248/2-906 1
O-Ring, Face, Prefilter Inlet Union M83248/2-114 1
O-Ring, Thread, Prefilter Plug M83248/2-906 1
Filter Element 6789-01 1
Seal Washer, Filter Element 6776-01 2
Retainer, Filter 6764-01 1
O-Ring, Thread, Prefilter Drain Fitting 5330-00-167-5172 M83248/2-904 1
O-Ring, Housing Seal M83248/2-149 2
O-Ring, Thread, Prefilter Outlet Union M83248/2-906 1
O-Ring, Face, Prefilter Outlet Union M83248/2-114 1
Check Valve, Prefilter In-Line 6809-01 1
O-Ring, Face, Check Valve Inlet & Outlet Unions M83248/2-114 2
O-Ring, Face, Inlet Manifold Inlet Union M83248/2-114 1
Inlet Manifold 6837-G501 1
Needle Valve 6838-01 7
O-Ring, Thread, Union Thread Piece M83248/2-906 4
O-Ring, Thread, Tubing Connector 5330-00-167-5172 M83248/2-904 5
O-Ring, Thread, Plug 5330-00-167-5172 M83248/2-904 3
Purge Silencer 6824-G501 1
O-Ring, Thread, Purge Silencer 5330-00-167-5172 M83248/2-904 1
O-Ring, Face, Inlet Manifold Outlet Unions M83248/2-114 3
O-Ring, Face, Desiccant Chamber Inlet Unions M83248/2-114 2
Desiccant Chamber Assembly 6759-G501 2
Desiccant, Activated Alumina 5243-01 16 lb
Disc, Desiccant Retainer, Top 6784-G502 2
Disc, Desiccant Retainer, Bottom 6784-G501 2
O-Ring, Desiccant Retainer, Top & Bottom M83248/2-342 4
O-Ring, Chamber Seal M83248/2-343 4
Backup Ring, Chamber Seal 6759-10 4
O-Ring, Face, Chamber Outlet Unions M83248/2-114 2
O-Ring, Face, Afterfilter Inlet Unions M83248/2-114 2
Afterfilter Manifold 6833-G501 1
Filter Assembly 6842-G501 2
O-Ring, Thread, Union Thread Piece M83248/2-906 3
O-Ring, Thread, Tubing Fitting 5330-00-167-5172 M83248/2-904 2
Cartridge Check Valve 6840-01 2
O-Ring, Face, Afterfilter Outlet Union M83248/2-114 1
O-Ring, Face, Back Pressure Regulator Inlet Union M83248/2-114 1
Back Pressure Regulator 6808-01 1
O-Ring, Face, Back Pressure Regulator Outlet Union M83248/2-114 1
O-Ring, Face, Sample Manifold Inlet Unions M83248/2-114 2
Sample Manifold 6831-G501 1
Needle Valve 6838-01 2
Cartridge Check Valve 6840-01 1
O-Ring, Thread, Union Thread Piece M83248/2-906 3
O-Ring, Face, Sample Manifold Outlet Union M83248/2-114 1
O-Ring, Face, Sensor Manifold Inlet Union M83248/2-114 1
Sensor Manifold 6829-G501 1
Needle Valve 6838-01 3
O-Ring, Thread, Union Thread Piece M83248/2-906 2
O-Ring, Thread, Plug 5330-00-167-5172 M83248/2-904 3
O-Ring, Face, Sensor Manifold Outlet Union M83248/2-114 1
O-Ring, Face, Main Air Outlet Union M83248/2-210 1

Bypass Air System

O-Ring, Face, Bypass Chamber Inlet & Outlet Unions M83248/2-114 2
Bypass Chamber Assembly 6767-G501 1
O-Ring, Thread, Bypass Chamber Inlet & Outlet Unions MS83248/2-906 1
Cartridge, Desiccant 6781-01 1
O-Ring, Bypass Chamber Seal M83248/2-346 2
Backup Ring, Bypass Chamber Seal 6767-10 2

Purge Air System

Purge Pressure Regulator 6807-01 1
O-Ring, Thread, Purge Pressure Regulator Inlet & Outlet Unions M83248/2-906 2
O-Ring, Face, Purge Pressure Regulator Inlet & Outlet Unions M83248/2-114 2
Purge Solenoid Valve 6814-G501 1
O-Ring, Thread, Purge Solenoid Valve Inlet & Outlet Unions M83248/2-908 2
O-Ring, Face, Purge Solenoid Valve Inlet & Outlet Unions M83248/2-210 2
External Purge Check Valve 6811-01 1
O-Ring, Thread, External Purge Check Valve Inlet & Outlet Unions M83248/2-906 2
O-Ring, Face, External Purge Check Valve Inlet & Outlet Unions M83248/2-114 2
Heater Assembly 6820-G501 1
O-Ring, Thread, Heater Inlet & Outlet Unions M83248/2-906 2
O-Ring, Metal, Heater Thermowell 5330-00-469-6871 3895-01 1
Heater 6819-G501 1
O-Ring, Metal, Heater 5330-00-469-6871 3895-01 1
O-Ring, Face, Heater Inlet & Outlet Unions MS9068-114 2
O-Ring, Face, Purge Manifold Inlet Union MS9068-114 2
Purge Manifold Assembly 6835-G501 1
O-Ring, Thread, Purge Manifold Inlet Union MS9068-904 2
Needle Valve, High-Temperature 6839-01 1
Check Valve, High-Temperature 6841-01 2
O-Ring, Face, Purge Manifold Outlet Union MS9068-114 2

Condensate Discharge System

Drain Valve, Prefilter 6858-01 1
O-Ring, Thread, Prefilter Drain Valve Inlet Fitting M83248/2-906 1
O-Ring, Face, Prefilter Drain Valve Inlet & Outlet Fittings M83248/2-013 2

Instrumentation

Gauge Panel Assembly 6844-G501 1
Temperature Controller 6895-G501 1
Gauge, High-Pressure 6742-01 2
Gauge, Low-Pressure 6685-01-105-2972 3912-G503 1
O-Ring, Pressure Gauge M83248/2-004 3
Valve, Pressure Gauge Calibration 5296-01 3
O-Ring, Calibration Valve Tubing Fitting M83248/2-004 3
O-Ring, Calibration Valve/Snubber Interface M83248/2-906 3
Pressure Snubber, High-Pressure 6815-02 2
Pressure Snubber, Low-Pressure 6815-01 1
O-Ring, Pressure Snubber Tubing Fitting M83248/2-004 3
Gauge Protector, Low-Pressure Gauge 6810 1
O-Ring, Thread, Gauge Protector Tubing Fitting 5330-00-167-5172 M83248/2-904 2
O-Ring, Face, Gauge Protector Tubing Fitting 5330-00-166-1081 M83248/2-011 2

Electrical System

Electrical Schematic Diagram 6788 ref
Electrical Point-to-Point Diagram 6861-01 ref
Electrical Enclosure Assembly 6756-G501 1
Electromagnetic Interference (EMI) Filter 6777-01 1
Fuse, 10-amp 3966-06 2
Fuse, 5-amp 5920-01-277-9506 3966-02 1
Contactor, Heater 6803-01 1
Relay, Control, 440 VAC 3910-02 1
Relay, Control, 110 VAC 5945-00-962-0163 3910-01 2
Transformer 6794-01 1
Switch, Rotary (power-on) 5930-01-278-3381 4381-G503 1
Toggle Switch 5930-00-642-9188 3042-02 1
Buzzer, Audible Alarm 6797-01 1
Indicator Lamp (white) 6210-01-170-7327 3907-G501 2
Indicator Lamp (amber) 6210-01-278-4737 3907-G502 2
Alarm Lamp (red) 6210-01-280-3356 3907-G503 2
Indicator Lamp (green) 3907-G504 2
Indicator Lamp (blue) 3907-G505 2
Lamp Replacement Bulb 3907-06 20 ref
Humidity Alarm Controller 6802-G501 1
Moisture Meter 5639-G501 1
Lamp-Test Push Button Switch 5930-01-170-5700 3917-02 1
Switch, Heater Select 6779-01 1
Timer, Reactivation 6780-G501 1
Timer, Dehydration 6778-G501 1
Time Totalizer 6645-01-157-9079 3915-G502 1
Ferrite Bead 6257-02 1
Humidity Sensor 3905-G504 1
Pressure Switch, Low-Pressure 6827-01 1
Pressure Switch, High-Pressure 6826-01 2
O-Ring, Thread, Pressure Switch 5330-00-167-5172 M83248/2-904 3
O-Ring, Face, Pressure Switch 5330-00-166-1081 M83248/2-011 3

Last updated: 03/19/2008
Webmaster: Al Friend
© 2002-2008 Howell Laboratories, Inc. All rights reserved.