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Technical Data Sheet
M17681 ✓ 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, port_style: GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 5.000 INCHES NOMINAL IN, reservoir_type: INTEGRAL, extended_length: 9.500 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 2530-00-006-6259, 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
M17681
NSN: 2530-00-006-6259
FSC: 2530
CAGE: 71425 — AIRTEX PRODUCTS DIV OF UIS INC (USA)
SPECIFICATIONS
materialSTEEL BODY
port_styleGASKET SEAL LOCATION NOT OTHERWISE SPECIFIED
overall_width2.500 INCHES NOMINAL IN
overall_height5.000 INCHES NOMINAL IN
reservoir_typeINTEGRAL
extended_length9.500 INCHES NOMINAL IN
thread_directionUNABLE TO DECODE
compressed_length8.000 INCHES NOMINAL IN
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionUNTHREADED MOUNTING HOLES
port_thread_diameter0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
bleeding_feature_quantity1
NSN2530-00-006-6259
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN M17681 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
FIRST PISTON ROD END THREAD CLASS: 2B
PORT THREAD DIAMETER: 0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 4.125 INCHES NOMINAL IN
PORT THREAD QUANTITY PER INCH: 20 LOCATION NOT OTHERWISE SPECIFIED
BLEEDING FEATURE QUANTITY: 1
PORT THREAD CLASS: 2B LOCATION NOT OTHERWISE SPECIFIED
FIRST PISTON ROD END THREAD QUANTITY PER INCH: 20
EXTENDED LENGTH: 9.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST PISTON ROD END THREAD CLASS2B
PORT THREAD DIAMETER0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS4.125 INCHES NOMINAL IN
PORT THREAD QUANTITY PER INCH20 LOCATION NOT OTHERWISE SPECIFIED
BLEEDING FEATURE QUANTITY1
PORT THREAD CLASS2B LOCATION NOT OTHERWISE SPECIFIED
FIRST PISTON ROD END THREAD QUANTITY PER INCH20
EXTENDED LENGTH9.500 INCHES NOMINAL IN
FIRST PISTON ROD END THREAD SERIES DESIGNATORUNF
COMPRESSED LENGTH8.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
8381K21CInterchangeable
interchangeable cross-reference
interchangeable
8381K121CInterchangeable
interchangeable cross-reference
interchangeable
GGG-T-581 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
A-A-364Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-581Interchangeable
interchangeable cross-reference
interchangeable
14025Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M17681?
M17681 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace M17681?
There are 21 known substitutes for M17681: 8381K21C, 8381K121C, GGG-T-581 TY1CL1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M17681?
M17681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-006-6259. This indicates validated use in U.S. government and defense supply chains.
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