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PartsTable / COMPONENT / 1125989C1
1125989C1 ✓ 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

RETAINER,LINEAR ACTUATING CYLIND. Key specifications include material: COPPER ALLOY BODY, hole_diameter: 0.330 INCHES NOMINAL IN, overall_width: 0.344 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, overall_height: 0.453 INCHES NOMINAL IN, overall_length: 0.312 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 2590-01-193-7735, 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
1125989C1
NSN: 2590-01-193-7735
FSC: 2590
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
hole_diameter0.330 INCHES NOMINAL IN
overall_width0.344 INCHES NOMINAL IN
heat_treatmentAS FABRICATED
overall_height0.453 INCHES NOMINAL IN
overall_length0.312 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
mounting_methodUNTHREADED HOLE(S)
shoulder_height0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
outside_diameter0.750 INCHES NOMINAL IN
special_featuresCHAMFER ON NONBEARING SURFACE OF SHOULDER,0.060 IN. BY 45 DEG IN
style_designatorFERRULE CLIP
NSN2590-01-193-7735
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,LINEAR ACTUATING CYLIND TITLE COMPONENT PN 1125989C1 MFR RETAINER,LINEAR ACTUAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
176524Interchangeable
interchangeable cross-reference
interchangeable
20-0852Interchangeable
interchangeable cross-reference
interchangeable
804680Interchangeable
interchangeable cross-reference
interchangeable
919106-51Interchangeable
interchangeable cross-reference
interchangeable
B260822Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1125989C1?
1125989C1 is a RETAINER,LINEAR ACTUATING CYLIND.
What parts can replace 1125989C1?
There are 5 known substitutes for 1125989C1: 176524, 20-0852, 804680 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1125989C1?
1125989C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-01-193-7735. 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