PartsTable
Technical Data Sheet
PartsTable / MRO / 301A
301A ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-470-2722, 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→ 301A
NSN: 6625-00-470-2722
FSC: 6625
CAGE: 07342 — NAI TECHNOLOGIES INC (USA)
SPECIFICATIONS
Part Number301A
NSN6625-00-470-2722
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 301A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
STYLE DESIGNATOR: RACK
•
POWER SOURCE: EXTERNAL
•
REFERENCE DATA AND LITERATURE: MIL-STD-1364C (NAVY),30 MAY 1975,PAGE 151
•
FUNCTIONAL DESCRIPTION: PHASE SENSITIVE NULL DETECTOR AND VOLTMETER; A PHASE METER CAPABLE OF MEASURING IN-PHASE NULLS,PHASE ANGLE,TOTAL VOLTAGE,FUNDAMENTAL VOLTAGE,IN-PHASE AND QUADRATURE VOLTAGES; MEASURES COMPLEX SIGNALS AND THEIR VECTOR COMPONENTS OVER A BROAD RANGE OF FREQUENCIES
•
INSTALLATION DESIGN: PANEL
•
FREQUENCY RATING: 50.000 HERTZ MINIMUM AND 400.000 HERTZ MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRACK
OVERALL DEPTH14.000 INCHES NOMINAL IN
POWER SOURCEEXTERNAL
REFERENCE DATA AND LITERATUREMIL-STD-1364C (NAVY),30 MAY 1975,PAGE 151
FUNCTIONAL DESCRIPTIONPHASE SENSITIVE NULL DETECTOR AND VOLTMETER; A PHASE METER CAPABLE OF MEASURING IN-PHASE NULLS,PHASE ANGLE,TOTAL VOLTAGE,FUNDAMENTAL VOLTAGE,IN-PHASE AND QUADRATURE VOLTAGES; MEASURES COMPLEX SIGNALS AND THEIR VECTOR COMPONENTS OVER A BROAD RANGE OF FREQUENCIES
INSTALLATION DESIGNPANEL
OVERALL HEIGHT7.000 INCHES NOMINAL IN
FREQUENCY RATING50.000 HERTZ MINIMUM AND 400.000 HERTZ MAXIMUM
OVERALL WIDTH19.000 INCHES NOMINAL IN
PHASESINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1640EUpgraded Successor
successor cross-reference
successor
MIL015630Upgraded Successor
successor cross-reference
successor
301AUpgraded Successor
successor cross-reference
successor
0100571Interchangeable
interchangeable cross-reference
interchangeable
55-140-011Interchangeable
interchangeable cross-reference
interchangeable
574-523Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301A?
301A is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 301A?
There are 11 known substitutes for 301A: 1640E, MIL015630, 301A and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301A?
301A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-470-2722. 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