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Technical Data Sheet
PartsTable / COMPONENT / 21740-7
21740-7 ✓ 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

HOLDER,ELECTRICAL CONTACT BRUSH. Key specifications include color: RED LENS, material: GLASS LENS, flange_width: 0.125 INCHES NOMINAL IN, overall_height: 2.000 INCHES NOMINAL IN, mounting_method: FLANGE, overall_diameter: 4.375 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 2825-00-671-4523, 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
21740-7
NSN: 2825-00-671-4523
FSC: 2825
CAGE: 27235 — HARDIE-TYNES CO., INC. (USA)
SPECIFICATIONS
colorRED LENS
materialGLASS LENS
flange_width0.125 INCHES NOMINAL IN
overall_height2.000 INCHES NOMINAL IN
mounting_methodFLANGE
overall_diameter4.375 INCHES NOMINAL IN
special_featuresDRAIN TUBE AND PLUG COMPONENTS INCL
style_designatorCONVEX
surface_conditionSMOOTH BACK
effective_diameter4.125 INCHES NOMINAL IN
mounting_device_quantity1
light_transmission_designTRANSPARENT LENS
NSN2825-00-671-4523
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOLDER,ELECTRICAL CONTACT BRUSH TITLE COMPONENT PN 21740-7 MFR HOLDER,ELECTRICAL CONT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
60531Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LS4211Interchangeable
interchangeable cross-reference
interchangeable
60-671Interchangeable
interchangeable cross-reference
interchangeable
680-202Interchangeable
interchangeable cross-reference
interchangeable
60-671PC202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21740-7?
21740-7 is a HOLDER,ELECTRICAL CONTACT BRUSH.
What parts can replace 21740-7?
There are 24 known substitutes for 21740-7: 60531, AMS-QQ-A-200/3, LS4211 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21740-7?
21740-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-671-4523. 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