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U41 ✓ 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 GEAR ASSEMBLY,SPEED DECREASER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, unit_type: CROWN, nut_height: 0.090 INCHES NOMINAL IN, overall_width: 0.188 INCHES NOMINAL IN, thread_series: UNS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-806-3695, 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
U41
NSN: 3010-00-806-3695
FSC: 3010
CAGE: 21587 — OPTICAL TECHNOLOGY DEVICES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
unit_typeCROWN
nut_height0.090 INCHES NOMINAL IN
overall_width0.188 INCHES NOMINAL IN
thread_seriesUNS
overall_height0.188 INCHES NOMINAL IN
overall_length1.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.551 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
NSN3010-00-806-3695
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR ASSEMBLY,SPEED DECREASER TITLE COMPONENT PN U41 MFR GEAR ASSEMBLY,SPEED DE
KEY FEATURES
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SELECTED AND TESTED FOR NAVIGATIONAL SYSTEMS
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED AND TESTED FOR NAVIGATIONAL SYSTEMS
END ITEM IDENTIFICATIONSELECTED AND TESTED FOR NAVIGATIONAL SYSTEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
S4664Interchangeable
interchangeable cross-reference
interchangeable
10106Interchangeable
interchangeable cross-reference
interchangeable
26935HInterchangeable
interchangeable cross-reference
interchangeable
110580Interchangeable
interchangeable cross-reference
interchangeable
U41Interchangeable
interchangeable cross-reference
interchangeable
999R0142 PIECE 87Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U41?
U41 is a GEAR ASSEMBLY,SPEED DECREASER.
What parts can replace U41?
There are 7 known substitutes for U41: S4664, 10106, 26935H and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U41?
U41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3010-00-806-3695. 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