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Technical Data Sheet
121648-1 ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: ALUMINUM AND COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.3000 INCHES NOMINAL IN, bore_diameter: 39.987 MILLIMETERS MINIMUM AND 40.000 MILLIMETERS MAXIMUM MM, overall_width: 42.62 MILLIMETERS MINIMUM AND 43.13 MILLIMETERS MAXIMUM MM, overall_length: 0.6400 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 4935-01-042-3596, 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
121648-1
NSN: 4935-01-042-3596
FSC: 4935
CAGE: 09205 — LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV (USA)
SPECIFICATIONS
materialALUMINUM AND COPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.3000 INCHES NOMINAL IN
bore_diameter39.987 MILLIMETERS MINIMUM AND 40.000 MILLIMETERS MAXIMUM MM
overall_width42.62 MILLIMETERS MINIMUM AND 43.13 MILLIMETERS MAXIMUM MM
overall_length0.6400 INCHES NOMINAL IN
style_designatorBLANK, EXTERNAL FLANGE ONE END
body_inside_diameter0.7500 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
body_outside_diameter1.0633 INCHES MINIMUM AND 1.0638 INCHES MAXIMUM IN
end_item_identificationMK-105,MOD-4,NACELLE LIFT MECHANISM
flange_outside_diameter1.2500 INCHES NOMINAL IN
overall_outside_diameter103.42 MILLIMETERS MINIMUM AND 103.68 MILLIMETERS MAXIMUM MM
NSN4935-01-042-3596
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN 121648-1 MFR BEARING,BALL,ANNULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1333648Interchangeable
interchangeable cross-reference
interchangeable
121648.1Interchangeable
interchangeable cross-reference
interchangeable
121648Interchangeable
interchangeable cross-reference
interchangeable
121648-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121648-1?
121648-1 is a BEARING,BALL,ANNULAR.
What parts can replace 121648-1?
There are 4 known substitutes for 121648-1: 1333648, 121648.1, 121648 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121648-1?
121648-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4935-01-042-3596. This indicates validated use in U.S. government and defense supply chains.
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