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Technical Data Sheet
PartsTable / MRO / 938-A
938-A ✓ 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 CORROSION RESISTING OVERALL, flange_diameter: 1.120 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.238 INCHES NOMINAL IN, body_inside_diameter: 0.880 INCHES NOMINAL IN, body_outside_diameter: 0.750 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 6625-00-887-7741, 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→ 938-A
NSN: 6625-00-887-7741
FSC: 6625
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter1.120 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.238 INCHES NOMINAL IN
body_inside_diameter0.880 INCHES NOMINAL IN
body_outside_diameter0.750 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.360 INCHES NOMINAL IN
NSN6625-00-887-7741
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN 938-A MFR SWITCH,CODE INDICATING
KEY FEATURES
•
OPERATING AC FREQUENCY IN HERTZ: 60.0 NOMINAL SINGLE VOLTAGE
•
FREQUENCY PER CHANNEL: 40.0 GIGAHERTZ NOMINAL OPERATING CHANNEL
•
CONTROL TYPE: LOCAL
•
CIRCUIT CONSTRUCTION TYPE: SOLID STATE
•
AVERAGE POWER RATING PER CHANNEL: 100.0 MILLIWATTS INPUT
•
OPERATING CONTROL METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING AC FREQUENCY IN HERTZ60.0 NOMINAL SINGLE VOLTAGE
OVERALL LENGTH19.250 INCHES NOMINAL IN
FREQUENCY PER CHANNEL40.0 GIGAHERTZ NOMINAL OPERATING CHANNEL
CONTROL TYPELOCAL
OVERALL HEIGHT5.375 INCHES NOMINAL IN
CIRCUIT CONSTRUCTION TYPESOLID STATE
AVERAGE POWER RATING PER CHANNEL100.0 MILLIWATTS INPUT
OPERATING CONTROL METHODAUTOMATIC
OVERALL WIDTH18.000 INCHES NOMINAL IN
ATTENUATION IN DECIBELS100.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
938AInterchangeable
interchangeable cross-reference
interchangeable
257Interchangeable
interchangeable cross-reference
interchangeable
8169928Interchangeable
interchangeable cross-reference
interchangeable
B-45528 PART 938-AInterchangeable
interchangeable cross-reference
interchangeable
CV2141UInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 938-A?
938-A is a SWITCH,CODE INDICATING WHEEL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 938-A?
There are 5 known substitutes for 938-A: 938A, 257, 8169928 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 938-A?
938-A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-887-7741. 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