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PartsTable / COMPONENT / 172-186
172-186 ✓ 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

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include bore_type: STRAIGHT, port_style: INVERTED FLARE SINGLE PORT, bore_diameter: 0.750 INCHES NOMINAL IN, overall_width: 2.016 INCHES NOMINAL IN, overall_height: 1.453 INCHES NOMINAL IN, extended_length: 3.250 INCHES NOMINAL 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 2915-00-055-9583, 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
172-186
NSN: 2915-00-055-9583
FSC: 2915
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
bore_typeSTRAIGHT
port_styleINVERTED FLARE SINGLE PORT
bore_diameter0.750 INCHES NOMINAL IN
overall_width2.016 INCHES NOMINAL IN
overall_height1.453 INCHES NOMINAL IN
extended_length3.250 INCHES NOMINAL IN
compressed_length2.969 INCHES NOMINAL IN
features_providedRUBBER BOOT
port_thread_class2B SINGLE PORT
seat_angle_in_deg45.0 SINGLE PORT
mounting_provisionTHREADED MOUNTING HOLES
first_end_fork_depth0.281 INCHES NOMINAL ALL WORKING ENDS IN
NSN2915-00-055-9583
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 172-186 MFR CYLINDER ASSEMBLY,HYDR
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESC/O 184 ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GPW2261Interchangeable
interchangeable cross-reference
interchangeable
W7568Interchangeable
interchangeable cross-reference
interchangeable
172-186Interchangeable
interchangeable cross-reference
interchangeable
3159Interchangeable
interchangeable cross-reference
interchangeable
3106848Interchangeable
interchangeable cross-reference
interchangeable
FD4876Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172-186?
172-186 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 172-186?
There are 12 known substitutes for 172-186: GPW2261, W7568, 172-186 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 172-186?
172-186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2915-00-055-9583. 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