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543817 ✓ 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 denomination: 6.8 GRAMS G. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-391-3968, 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
543817
NSN: 2530-00-391-3968
FSC: 2530
CAGE: 23862 — MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02 (USA)
SPECIFICATIONS
denomination6.8 GRAMS G
NSN2530-00-391-3968
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 543817 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
•
PORT THREAD CLASS: 2B SINGLE PORT
•
PORT STYLE: GASKET SEAL SINGLE PORT
•
PORT THREAD SERIES DESIGNATOR: UNF SINGLE PORT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 1.625 INCHES NOMINAL IN
•
BORE TYPE: STRAIGHT
•
MOUNTING FACILITY THREAD LENGTH: 0.344 INCHES NOMINAL IN
•
MOUNTING TYPE AND LOCATION: FLANGE CENTER SECTION
•
BODY OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PORT THREAD CLASS2B SINGLE PORT
PORT STYLEGASKET SEAL SINGLE PORT
PORT THREAD SERIES DESIGNATORUNF SINGLE PORT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS1.625 INCHES NOMINAL IN
BORE TYPESTRAIGHT
MOUNTING FACILITY THREAD LENGTH0.344 INCHES NOMINAL IN
MOUNTING TYPE AND LOCATIONFLANGE CENTER SECTION
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
OVERALL HEIGHT1.812 INCHES NOMINAL IN
MOUNTING FACILITY THREAD DIAMETER0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
G434663-1Interchangeable
interchangeable cross-reference
interchangeable
M-3077Interchangeable
interchangeable cross-reference
interchangeable
483660-1Interchangeable
interchangeable cross-reference
interchangeable
8001Interchangeable
interchangeable cross-reference
interchangeable
1200Interchangeable
interchangeable cross-reference
interchangeable
038638Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 543817?
543817 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 543817?
There are 27 known substitutes for 543817: G434663-1, M-3077, 483660-1 and 24 more. Substitute compatibility should be verified for your specific system.
Is 543817 still available?
543817 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