PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6446-G501Drier,air-Gas,desiccant

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 4440-01-388-3356 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-388-3356 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-388-3356. Primary manufacturer part number: 6446-G501.
Features
  • Drier,air-Gas,desiccant — FSC 4440
  • 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 Drier,air-Gas,desiccant, cataloged under National Stock Number 4440-01-388-3356, 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. 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
NSN4440-01-388-3356
Primary Part Number6446-G501
Item NameDrier,air-Gas,desiccant
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6240-00-044-42794535 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
3895-00-161-1417 INTERCHANGEABLE
Brake Band Assy
5930-00-188-10263953 INTERCHANGEABLE
Switch,toggle
Bryant Electric
5340-00-468-0840490722PC37 INTERCHANGEABLE
Seat,helical Compression Spring
Naval Sea Systems Command
5360-01-022-07866446 INTERCHANGEABLE
Spring,helical,compression
Tescom Corp Dba Tescom Div Tescom
4310-01-283-49906446 INTERCHANGEABLE
Ring,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4730-01-352-193943766 INTERCHANGEABLE
Coupling Assembly,tube,flexible
Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc
6685-01-386-65473905-G503 INTERCHANGEABLE
Sensor,humidity
Howell Laboratories Inc Dba Howell Laboratories Inc
6515-01-561-0899AS10S INTERCHANGEABLE
Holder,drill Bit,surgical
Medtronic Powered Surgical Solutions Dba Medtronic Mitas Rex
Cross-Reference Index
Part NumberManufacturer
6446 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
14736 SHT 13 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
6446-G501 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
6240-00-044-4279INTERCHANGEABLE
LAMP,INCANDESCENT
4535
3895-00-161-1417INTERCHANGEABLE
BRAKE BAND ASSY
5930-00-188-1026INTERCHANGEABLE
SWITCH,TOGGLE
3953
5340-00-468-0840INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
490722PC37
5360-01-022-0786INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6446
4310-01-283-4990INTERCHANGEABLE
RING,PISTON
6446
4730-01-352-1939INTERCHANGEABLE
COUPLING ASSEMBLY,TUBE,FLEXIBLE
43766
6685-01-386-6547INTERCHANGEABLE
SENSOR,HUMIDITY
3905-G503
6515-01-561-0899INTERCHANGEABLE
HOLDER,DRILL BIT,SURGICAL
AS10S

Frequently Asked Questions

What is NSN 4440-01-388-3356?

NSN 4440-01-388-3356 is a Drier,air-Gas,desiccant, 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 4440-01-388-3356?

NSN 4440-01-388-3356 has 3 cross-referenced part numbers: 6446 (Howell Laboratories Inc Dba Howell Laboratories Inc), 14736 SHT 13 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6446-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4440-01-388-3356?

There are 9 known substitutes for 4440-01-388-3356: 6240-00-044-4279, 3895-00-161-1417, 5930-00-188-1026 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6446-G501?

Key specifications for 6446-G501: End Item Identification: DEHYDRATOR FLTR DSCC. 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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