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Technical Data Sheet
51550A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FILTER-DRIER,REFRIGERANT is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, material: STEEL SHELL, unit_type: NONREFILLABLE, leg_length: 0.875 INCHES NOMINAL BOTH ENDS IN, seat_angle: 45.0 DEGREES, thread_size: 3/8-16 BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-00-228-5668, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
51550A
NSN: 4130-00-228-5668
FSC: 4130
CAGE: 89729 — FOSTER REFRIGERATORS ENTERPRISE INC (USA)
SPECIFICATIONS
shapeSTRAIGHT
materialSTEEL SHELL
unit_typeNONREFILLABLE
leg_length0.875 INCHES NOMINAL BOTH ENDS IN
seat_angle45.0 DEGREES
thread_size3/8-16 BOTH ENDS
shell_length3.750 INCHES NOMINAL IN
desiccant_typeALUMINA, ACTIVATED
overall_length5.500 INCHES NOMINAL IN
shell_diameter2.500 INCHES NOMINAL IN
style_designatorFLARED BOTH ENDS
thread_directionRIGHT-HAND BOTH ENDS
NSN4130-00-228-5668
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER-DRIER,REFRIGERANT TITLE COMPONENT PN 51550A MFR FILTER-DRIER,REFRIGERA
KEY FEATURES
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
STYLE DESIGNATOR: UNTHREADED INTERNAL FIRST END
CONNECTION SPECIAL DESIGN: UNION FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
EK082Interchangeable
interchangeable cross-reference
interchangeable
C082Interchangeable
interchangeable cross-reference
interchangeable
A-1143 SHEET 1 PART 17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51550A?
51550A is a FILTER-DRIER,REFRIGERANT.
What parts can replace 51550A?
There are 3 known substitutes for 51550A: EK082, C082, A-1143 SHEET 1 PART 17. Substitute compatibility should be verified for your specific system.
What is the NSN for 51550A?
51550A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4130-00-228-5668. This indicates validated use in U.S. government and defense supply chains.
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