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PartsTable / COMPONENT / 172-112
172-112 ✓ 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 material: STEEL BODY, bore_type: STRAIGHT, port_style: FLARE LOCATION NOT OTHERWISE SPECIFIED, bore_diameter: 1.125 INCHES NOMINAL IN, overall_height: 3.625 INCHES NOMINAL IN, overall_diameter: 1.625 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 2530-00-868-7658, 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
172-112
NSN: 2530-00-868-7658
FSC: 2530
CAGE: 76462 — DELCO MORAINE DIV OF GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL BODY
bore_typeSTRAIGHT
port_styleFLARE LOCATION NOT OTHERWISE SPECIFIED
bore_diameter1.125 INCHES NOMINAL IN
overall_height3.625 INCHES NOMINAL IN
overall_diameter1.625 INCHES NOMINAL IN
mounting_positionLEFT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionUNTHREADED MOUNTING HOLES
body_outside_diameter1.625 INCHES NOMINAL IN
design_characteristicsSINGLE ACTING SINGLE CYLINDER
mounting_facility_diameter0.813 INCHES NOMINAL IN
NSN2530-00-868-7658
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 172-112 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
•
PORT THREAD SERIES DESIGNATOR: UNF LOCATION NOT OTHERWISE SPECIFIED
•
PORT THREAD QUANTITY PER INCH: 20 LOCATION NOT OTHERWISE SPECIFIED
•
PORT THREAD CLASS: 2B LOCATION NOT OTHERWISE SPECIFIED
•
PORT STYLE: FLARE LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: STEEL BODY
•
BORE TYPE: STRAIGHT
•
OVERALL DIAMETER: 1.625 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PORT THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD QUANTITY PER INCH20 LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD CLASS2B LOCATION NOT OTHERWISE SPECIFIED
PORT STYLEFLARE LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL BODY
BORE TYPESTRAIGHT
OVERALL DIAMETER1.625 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
PORT LOCATION AND QUANTITY1 CENTER SECTION
MOUNTING FACILITY DIAMETER0.813 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
666968Interchangeable
interchangeable cross-reference
interchangeable
1SE2121Interchangeable
interchangeable cross-reference
interchangeable
3442Interchangeable
interchangeable cross-reference
interchangeable
104Interchangeable
interchangeable cross-reference
interchangeable
100-1057Interchangeable
interchangeable cross-reference
interchangeable
684-472-9001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172-112?
172-112 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 172-112?
There are 17 known substitutes for 172-112: 666968, 1SE2121, 3442 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 172-112?
172-112 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-868-7658. 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