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Technical Data Sheet
PartsTable / MRO / 25-663
25-663 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include material: STEEL FASTENER, head_diameter: 0.437 INCHES NOMINAL IN, fastener_length: 0.500 INCHES NOMINAL IN, special_features: DRIVE SIZE 0.25 INCHES;BLACK OXIDE FINISH;CUP POINT IN, thread_direction: RIGHT-HAND, thread_quantity_per_inch: 14.0. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-137-6157, 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
MRO→ MRO_GENERAL→ 25-663
NSN: 6625-00-137-6157
FSC: 6625
CAGE: 40608 — MILLER ELECTRIC MFG. CO. (USA)
SPECIFICATIONS
materialSTEEL FASTENER
head_diameter0.437 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
special_featuresDRIVE SIZE 0.25 INCHES;BLACK OXIDE FINISH;CUP POINT IN
thread_directionRIGHT-HAND
thread_quantity_per_inch14.0
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
part_name_assigned_by_controlling_agencyMULTIPLE POINT SOCKET SET SCREWS
NSN6625-00-137-6157
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN 25-663 MFR SWITCH,CODE INDICATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
404Interchangeable
interchangeable cross-reference
interchangeable
49770Interchangeable
interchangeable cross-reference
interchangeable
R51Interchangeable
interchangeable cross-reference
interchangeable
25663Interchangeable
interchangeable cross-reference
interchangeable
025663Interchangeable
interchangeable cross-reference
interchangeable
025663-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25-663?
25-663 is a SWITCH,CODE INDICATING WHEEL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 25-663?
There are 9 known substitutes for 25-663: 404, 49770, R51 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25-663?
25-663 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-137-6157. 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