PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-00-2AFilter-Drier,refrigerant

Foster Refrigerators Enterprise Inc · NSN 4130-00-228-5668 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-228-5668 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-228-5668. Primary manufacturer part number: 21-00-2A.
Features
  • Filter-Drier,refrigerant — FSC 4130
  • Material: COPPER SHELL
  • Shape: STRAIGHT
  • Restriction Passage Inside Diameter: 0.188 INCHES NOMINAL SECOND END IN
  • Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL FIRST END IN
  • Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL SECOND END IN
  • Style Designator: UNTHREADED INTERNAL FIRST END
  • Connection Special Design: UNION FIRST END
Applications
  • Applications requiring Copper Shell construction
General Description

The Filter-Drier,refrigerant, cataloged under National Stock Number 4130-00-228-5668, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Foster Refrigerators Enterprise Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4130-00-228-5668
Primary Part Number21-00-2A
Item NameFilter-Drier,refrigerant
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerFoster Refrigerators Enterprise Inc
StatusACTIVE
MaterialCOPPER SHELL
ShapeSTRAIGHT
Restriction Passage Inside Diameter0.188 INCHES NOMINAL SECOND END IN
Tube Outside Diameter for Which Designed0.250 INCHES NOMINAL FIRST END IN
Tube Outside Diameter for Which Designed0.250 INCHES NOMINAL SECOND END IN
Style DesignatorUNTHREADED INTERNAL FIRST END
Connection Special DesignUNION FIRST END
Restriction Passage Inside Diameter0.250 INCHES NOMINAL FIRST END IN
Leg Length0.250 INCHES NOMINAL FIRST END IN
Unit TypeNONREFILLABLE
Connection Special DesignUNION SECOND END
Style DesignatorUNTHREADED EXTERNAL SECOND END
Leg Length3.250 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4130-00-593-6718C-082 INTERCHANGEABLE
Filter-Drier,refrigerant
Parker-Hannifin Corp Div Sporlan Division
Cross-Reference Index
Part NumberManufacturer
51550A Foster Refrigerators Enterprise Inc (USA)
51550A Zf Industrieantriebe Witten Gmbh (DEU)
51550A Parker-Hannifin Corporation Dba Mobile Climate Systems Division Div Mobile Climate Systems Division (USA)
21-00-2A PRIMARY Foster Refrigerators Enterprise Inc (USA)
Related Parts
4130-00-593-6718INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
C-082

Frequently Asked Questions

What is NSN 4130-00-228-5668?

NSN 4130-00-228-5668 is a Filter-Drier,refrigerant, manufactured by Foster Refrigerators Enterprise Inc, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-00-228-5668?

NSN 4130-00-228-5668 has 4 cross-referenced part numbers: 51550A (Foster Refrigerators Enterprise Inc), 51550A (Zf Industrieantriebe Witten Gmbh), 51550A (Parker-Hannifin Corporation Dba Mobile Climate Systems Division Div Mobile Climate Systems Division), 21-00-2A (Foster Refrigerators Enterprise Inc).

What NSN replaces 4130-00-228-5668?

There is 1 known substitute for 4130-00-228-5668: 4130-00-593-6718. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-00-2A?

Key specifications for 21-00-2A: Material: COPPER SHELL; Shape: STRAIGHT; Restriction Passage Inside Diameter: 0.188 INCHES NOMINAL SECOND END IN; Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL FIRST END IN. 14 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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