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PartsTable / COMPONENT / A21278-001
A21278-001 ✓ 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 A21278-001 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-01-022-7678, 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
A21278-001
NSN: 6685-01-022-7678
FSC: 6685
CAGE: 08441 — SPX CORPORATION DBA DIELECTRIC COMMUNICATIONS DIV SPX COMMUNICATION TECHNOLOGIES (USA)
SPECIFICATIONS
Part NumberA21278-001
NSN6685-01-022-7678
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available A21278-001 TITLE COMPONENT PN A21278-001 MFR A21278-001
KEY FEATURES
•
MAXIMUM OVERALL WIDTH: 2.750 INCHES IN
•
FREQUENCY IN HERTZ: 50.0 AND 60.0
•
MAXIMUM OVERALL HEIGHT: 1.125 INCHES IN
•
MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC
•
MAXIMUM OVERALL LENGTH: 3.500 INCHES IN
•
MAXIMUM WATTAGE RATING IN WATTS: 0.3
•
POWER SOURCE: EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OVERALL WIDTH2.750 INCHES IN
FREQUENCY IN HERTZ50.0 AND 60.0
MAXIMUM OVERALL HEIGHT1.125 INCHES IN
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC
MAXIMUM OVERALL LENGTH3.500 INCHES IN
MAXIMUM WATTAGE RATING IN WATTS0.3
POWER SOURCEEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
314950Interchangeable
interchangeable cross-reference
interchangeable
332Interchangeable
interchangeable cross-reference
interchangeable
5020WInterchangeable
interchangeable cross-reference
interchangeable
111X03503X4000Interchangeable
interchangeable cross-reference
interchangeable
307SZZB105B000A7500000Interchangeable
interchangeable cross-reference
interchangeable
6307-2RSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A21278-001?
A21278-001 is a A21278-001.
What parts can replace A21278-001?
There are 16 known substitutes for A21278-001: 314950, 332, 5020W and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A21278-001?
A21278-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-01-022-7678. 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