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43140A ✓ 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

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN, radial_wall_thickness: 0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN, standard_bore_diameter: 3.750 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-278-1913, 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
43140A
NSN: 2805-00-278-1913
FSC: 2805
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
radial_wall_thickness0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
standard_bore_diameter3.750 INCHES IN
cross-sectional_shape_styleTWO FILLED GROOVES, STRAIGHT FACE SCRAPER
NSN2805-00-278-1913
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 43140A MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: TWO FILLED GROOVES, STRAIGHT FACE SCRAPER
•
STANDARD BORE DIAMETER: 3.750 INCHES IN
•
RING STYLE: CONCENTRIC
•
RADIAL WALL THICKNESS: 0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
•
JOINT STYLE: VERTICAL JOINT
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLETWO FILLED GROOVES, STRAIGHT FACE SCRAPER
OVERALL WIDTH0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
STANDARD BORE DIAMETER3.750 INCHES IN
RING STYLECONCENTRIC
RADIAL WALL THICKNESS0.1530 INCHES MINIMUM AND 0.1630 INCHES MAXIMUM IN
JOINT STYLEVERTICAL JOINT
MATERIALIRON OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
TY232MInterchangeable
interchangeable cross-reference
interchangeable
0659160019Interchangeable
interchangeable cross-reference
interchangeable
SST1-5MInterchangeable
interchangeable cross-reference
interchangeable
320-3-1Interchangeable
interchangeable cross-reference
interchangeable
65302-12559-103Interchangeable
interchangeable cross-reference
interchangeable
BP16589Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43140A?
43140A is a RING,PISTON.
What parts can replace 43140A?
There are 10 known substitutes for 43140A: TY232M, 0659160019, SST1-5M and 7 more. Substitute compatibility should be verified for your specific system.
Is 43140A still available?
43140A 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