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Technical Data Sheet
PartsTable / COMPONENT / 2018-5 ITEM 43
2018-5 ITEM 43 ✓ 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 COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thickness: 2.245 INCHES MINIMUM AND 2.246 INCHES MAXIMUM IN, bore_diameter: 0.6260 INCHES MINIMUM AND 0.6290 INCHES MAXIMUM IN, surface_finish: 63 MICROINCHES OUTSIDE PERIPHERY, outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: PLAIN ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-486-3886, 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
2018-5 ITEM 43
NSN: 3040-01-486-3886
FSC: 3040
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thickness2.245 INCHES MINIMUM AND 2.246 INCHES MAXIMUM IN
bore_diameter0.6260 INCHES MINIMUM AND 0.6290 INCHES MAXIMUM IN
surface_finish63 MICROINCHES OUTSIDE PERIPHERY
outside_diameter2.000 INCHES NOMINAL IN
style_designatorPLAIN ROUND
nominal_thread_size0.250 INCHES THREAD IN
securing_hole_quantity3
end_item_identificationLOS ANGELES CLASS SSN (688)
hole_diameter_and_location0.2500 INCHES NOMINAL 2ND HOLE AND 0.2500 INCHES NOMINAL 3RD HOLE IN
securing_hole_type_and_locationTHREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE
countersink_major_diameter_and_location0.2812 INCHES NOMINAL 1ST HOLE IN
NSN3040-01-486-3886
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COLLAR,SHAFT TITLE COMPONENT PN 2018-5 ITEM 43 MFR COLLAR,SHAFT
KEY FEATURES
•
SECURING HOLE TYPE AND LOCATION: THREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE
•
SURFACE FINISH: 63 MICROINCHES OUTSIDE PERIPHERY
•
MATERIAL: NICKEL ALLOY
•
COUNTERSINK MAJOR DIAMETER AND LOCATION: 0.2812 INCHES NOMINAL 1ST HOLE IN
•
COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION: 90.0 1ST HOLE
•
NOMINAL THREAD SIZE: 0.250 INCHES THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
SECURING HOLE TYPE AND LOCATIONTHREADED-COUNTERSUNK 1ST HOLE AND UNTHREADED 2ND HOLE AND UNTHREADED 3RD HOLE
PART NAME ASSIGNED BY CONTROLLING AGENCYHUB
SPECIAL FEATURESALL 3 SECURING HOLES ARE 0.750 IN. NOM. FROM ONE END. TWO PARALLEL SIDES FLATTENED TO 1.750 IN. UNTHREADED SECURING HOLES GO THROUGH CENTER OF FLATS. PART OF RETRACTABLE BOW PLANES EMERGENCY FOLLOW-UP AND XMTR DRIVE ASSEMBLY IN
SURFACE FINISH63 MICROINCHES OUTSIDE PERIPHERY
MATERIALNICKEL ALLOY
COUNTERSINK MAJOR DIAMETER AND LOCATION0.2812 INCHES NOMINAL 1ST HOLE IN
COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION90.0 1ST HOLE
NOMINAL THREAD SIZE0.250 INCHES THREAD IN
STYLE DESIGNATORPLAIN ROUND
HOLE DIAMETER AND LOCATION0.2500 INCHES NOMINAL 2ND HOLE AND 0.2500 INCHES NOMINAL 3RD HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
20185PS41MInterchangeable
interchangeable cross-reference
interchangeable
20185Interchangeable
interchangeable cross-reference
interchangeable
6063674Interchangeable
interchangeable cross-reference
interchangeable
17281Interchangeable
interchangeable cross-reference
interchangeable
6J58Interchangeable
interchangeable cross-reference
interchangeable
87-12-14-99 DDBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2018-5 ITEM 43?
2018-5 ITEM 43 is a COLLAR,SHAFT.
What parts can replace 2018-5 ITEM 43?
There are 11 known substitutes for 2018-5 ITEM 43: 20185PS41M, 20185, 6063674 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2018-5 ITEM 43?
2018-5 ITEM 43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-486-3886. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026