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4041994 ✓ 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 CONNECTING ROD,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL, edge_radius: 0.620 INCHES NOMINAL IN, end_thickness: 0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN, fabrication_method: CAST, end_hole_inside_diameter: 0.899 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN, shaft_connecting_end_style: AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-01-057-9642, 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
4041994
NSN: 2805-01-057-9642
FSC: 2805
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
materialSTEEL
edge_radius0.620 INCHES NOMINAL IN
end_thickness0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
fabrication_methodCAST
end_hole_inside_diameter0.899 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
shaft_connecting_end_styleAUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT
shaft_connecting_end_width3.312 INCHES NOMINAL IN
cross-sectional_shape_styleI-SECTION TYPE
piston_end_connection_styleSMALL ENGINE AND AUTOMOTIVE STANDARD
shaft_connecting_end_bearingNOT INCLUDED
piston_connecting_end_bearingNOT INCLUDED
shaft_connecting_end_thickness0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
NSN2805-01-057-9642
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTING ROD,PISTON TITLE COMPONENT PN 4041994 MFR CONNECTING ROD,PISTON
KEY FEATURES
•
PISTON CONNECTING END LUBRICATION DRILL FEATURE: NOT INCLUDED
•
END THICKNESS: 0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
•
SHAFT CONNECTING END THICKNESS: 0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
•
SHAFT CONNECTING END WIDTH: 3.312 INCHES NOMINAL IN
•
SHAFT CONNECTING END LUBRICATION DRILL FEATURE: NOT INCLUDED
•
BODY THICKNESS AT SHAFT CONNECTING END: 0.630 INCHES NOMINAL IN
•
SHAFT CONNECTING END EDGE RADIUS: 1.400 INCHES NOMINAL IN
•
SHAFT CONNECTING END LUBRICATION METHOD: SPLASH
TECHNICAL CHARACTERISTICS (FLIS)
PISTON CONNECTING END LUBRICATION DRILL FEATURENOT INCLUDED
END THICKNESS0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
SHAFT CONNECTING END THICKNESS0.939 INCHES MINIMUM AND 0.941 INCHES MAXIMUM IN
SHAFT CONNECTING END WIDTH3.312 INCHES NOMINAL IN
SHAFT CONNECTING END LUBRICATION DRILL FEATURENOT INCLUDED
BODY THICKNESS AT SHAFT CONNECTING END0.630 INCHES NOMINAL IN
SHAFT CONNECTING END EDGE RADIUS1.400 INCHES NOMINAL IN
SHAFT CONNECTING END LUBRICATION METHODSPLASH
END HOLE INSIDE DIAMETER0.899 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
CENTER TO CENTER EFFECTIVE LENGTH6.697 INCHES MINIMUM AND 6.701 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
22870Interchangeable
interchangeable cross-reference
interchangeable
MU8Interchangeable
interchangeable cross-reference
interchangeable
H22-870Interchangeable
interchangeable cross-reference
interchangeable
9B8104Interchangeable
interchangeable cross-reference
interchangeable
BAC1514-514Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4041994?
4041994 is a CONNECTING ROD,PISTON.
What parts can replace 4041994?
There are 11 known substitutes for 4041994: 22870, MU8, H22-870 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4041994?
4041994 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-01-057-9642. 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