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126366 ✓ 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

PISTON,HYDRAULIC BRAKE,MASTER CY. Key specifications include general_characteristics_item_description: AL ALLOY PER QQ-A-250/11,6061-T651; 2.720 IN. O/A LG; 0.850 IN.

O/A W; 0.550 IN. O/A H IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-228-1057, 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
126366
NSN: 5136-00-228-1057
FSC: 5136
CAGE: 56922 — JARVIS CUTTING TOOLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionAL ALLOY PER QQ-A-250/11,6061-T651; 2.720 IN. O/A LG; 0.850 IN. O/A W; 0.550 IN. O/A H IN
NSN5136-00-228-1057
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,HYDRAULIC BRAKE,MASTER CY TITLE COMPONENT PN 126366 MFR PISTON,HYDRAULIC BRAKE
KEY FEATURES
•
THREAD PITCH DIAMETERS: +1.3932 TO 1.3937 INCHES IN
•
SPECIFICATION/STANDARD DATA: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
FLUTE QUANTITY: 4
•
LENGTH: 1.125 INCHES NOMINAL SQUARE END IN
•
THREAD FORMING METHOD: GROUND
•
MATERIAL: STEEL OVERALL
•
STARTING CHAMFER TYPE: BOTTOMING
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+1.3932 TO 1.3937 INCHES IN
SPECIFICATION/STANDARD DATA05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLUTE QUANTITY4
OVERALL LENGTH6.375 INCHES NOMINAL IN
LENGTH1.125 INCHES NOMINAL SQUARE END IN
THREAD FORMING METHODGROUND
MATERIALSTEEL OVERALL
STARTING CHAMFER TYPEBOTTOMING
WIDTH ACROSS FLATS0.925 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT FLUTE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
11389Interchangeable
interchangeable cross-reference
interchangeable
13460-2DInterchangeable
interchangeable cross-reference
interchangeable
13460Interchangeable
interchangeable cross-reference
interchangeable
503-9422-003Interchangeable
interchangeable cross-reference
interchangeable
44117Interchangeable
interchangeable cross-reference
interchangeable
12247Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 126366?
126366 is a PISTON,HYDRAULIC BRAKE,MASTER CY.
What parts can replace 126366?
There are 26 known substitutes for 126366: 11389, 13460-2D, 13460 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 126366?
126366 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-00-228-1057. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026