PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-304Dehydrator

Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division · NSN 4440-01-058-7540 · FSC 4440 · No Item Name Available
Verified by PartsTable
NSN 4440-01-058-7540 — this item is cataloged by the U.S. Government under National Stock Number 4440-01-058-7540. Primary manufacturer part number: C-304.
Features
  • Dehydrator — FSC 4440
  • General Characteristics Item Description: FOR LIQUID LINE DRYING AND CONTAMINANT REMOVAL;FLARED ENDS SIZ 0.500;9.950 IN. O/A LG;2.870 IN.DIA;30 CU.IN.CAPACITY IN
  • 5 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Dehydrator, cataloged under National Stock Number 4440-01-058-7540, 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 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4440-01-058-7540
Primary Part NumberC-304
Item NameDehydrator
FSC / FSG4440 / 44 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
StatusACTIVE
General Characteristics Item DescriptionFOR LIQUID LINE DRYING AND CONTAMINANT REMOVAL;FLARED ENDS SIZ 0.500;9.950 IN. O/A LG;2.870 IN.DIA;30 CU.IN.CAPACITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-010-33390911114-7 INTERCHANGEABLE
Washer,flat
Agco Corp Parts Opn
5360-00-097-2037 INTERCHANGEABLE
Spring,helical,compression
4130-00-922-7083 INTERCHANGEABLE
Filter-Drier,refrigerant
4540-01-117-5849C-304 INTERCHANGEABLE
Heater Assembly
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4320-01-411-84123559200401 INTERCHANGEABLE
Pumping Unit,hydraulic,hand Driv
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
3010-01-527-8063C-304 INTERCHANGEABLE
Yoke,universal Joint,nonvehicula
Blue-White Industries, Ltd. Dba Blue-White Industries Ltd Div Blue-White Industries - Huntington Beach, Ca
Cross-Reference Index
Part NumberManufacturer
C-304 PRIMARY Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
WAH304 Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
WAH304 Virginia K M P Corp (USA)
10211 Hefty Concrete, Inc (USA)
AH304F Virginia Chemicals Inc (USA)
Related Parts
5310-00-010-3339INTERCHANGEABLE
WASHER,FLAT
0911114-7
5360-00-097-2037INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4130-00-922-7083INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
4540-01-117-5849INTERCHANGEABLE
HEATER ASSEMBLY
C-304
4320-01-411-8412INTERCHANGEABLE
PUMPING UNIT,HYDRAULIC,HAND DRIV
3559200401
3010-01-527-8063INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,NONVEHICULA
C-304

Frequently Asked Questions

What is NSN 4440-01-058-7540?

NSN 4440-01-058-7540 is a Dehydrator, manufactured by Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division, classified under FSC 4440 (No Item Name Available). Status: active.

What are the part numbers for NSN 4440-01-058-7540?

NSN 4440-01-058-7540 has 5 cross-referenced part numbers: C-304 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), WAH304 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division), WAH304 (Virginia K M P Corp), 10211 (Hefty Concrete, Inc), AH304F (Virginia Chemicals Inc).

What NSN replaces 4440-01-058-7540?

There are 6 known substitutes for 4440-01-058-7540: 5310-00-010-3339, 5360-00-097-2037, 4130-00-922-7083 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C-304?

Key specifications for C-304: General Characteristics Item Description: FOR LIQUID LINE DRYING AND CONTAMINANT REMOVAL;FLARED ENDS SIZ 0.500;9.950 IN. O/A LG;2.870 IN.DIA;30 CU.IN.CAPACITY IN. 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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