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Technical Data Sheet
PartsTable / COMPONENT / 172-259
172-259 ✓ 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: GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED, bore_diameter: 1.125 INCHES NOMINAL IN, design_characteristics: SINGLE ACTING SINGLE CYLINDER, mounting_type_and_location: FLANGE CENTER SECTION, port_location_and_quantity: 1 CENTER SECTION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-900-7620, 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
172-259
NSN: 2530-00-900-7620
FSC: 2530
CAGE: 76462 — DELCO MORAINE DIV OF GENERAL MOTORS CORP (USA)
SPECIFICATIONS
bore_typeSTRAIGHT
port_styleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
bore_diameter1.125 INCHES NOMINAL IN
design_characteristicsSINGLE ACTING SINGLE CYLINDER
bleeding_feature_quantity1
mounting_type_and_locationFLANGE CENTER SECTION
port_location_and_quantity1 CENTER SECTION
mounting_provision_arrangement_styleTWO HOLE
NSN2530-00-900-7620
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 172-259 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
•
PORT STYLE: GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
•
BLEEDING FEATURE QUANTITY: 1
•
PORT LOCATION AND QUANTITY: 1 CENTER SECTION
•
DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER
•
MOUNTING TYPE AND LOCATION: FLANGE CENTER SECTION
•
MOUNTING PROVISION ARRANGEMENT STYLE: TWO HOLE
•
BORE DIAMETER: 1.125 INCHES NOMINAL IN
•
BORE TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
PORT STYLEGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
BLEEDING FEATURE QUANTITY1
PORT LOCATION AND QUANTITY1 CENTER SECTION
DESIGN CHARACTERISTICSSINGLE ACTING SINGLE CYLINDER
MOUNTING TYPE AND LOCATIONFLANGE CENTER SECTION
MOUNTING PROVISION ARRANGEMENT STYLETWO HOLE
BORE DIAMETER1.125 INCHES NOMINAL IN
BORE TYPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
3N48ALT6PC322Interchangeable
interchangeable cross-reference
interchangeable
3N82PC322Interchangeable
interchangeable cross-reference
interchangeable
3N9PC322Interchangeable
interchangeable cross-reference
interchangeable
3223Interchangeable
interchangeable cross-reference
interchangeable
18180Interchangeable
interchangeable cross-reference
interchangeable
4F8199Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172-259?
172-259 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 172-259?
There are 19 known substitutes for 172-259: 3N48ALT6PC322, 3N82PC322, 3N9PC322 and 16 more. Substitute compatibility should be verified for your specific system.
Is 172-259 still available?
172-259 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026