PartsTable
Technical Data Sheet
A81-91 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_length: 0.375 INCHES NOMINAL IN, power_source: EXTERNAL, body_diameter: 0.138 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-141-0597, 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 A81-91
NSN: 5905-00-141-0597
FSC: 5905
CAGE: 81535 — AERONAUTICAL COMMUNICATIONS EQUIPMENT INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_length0.375 INCHES NOMINAL IN
power_sourceEXTERNAL
body_diameter0.138 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.500 INCHES NOMINAL IN
special_featuresESD SENSITIVE
style_designatorAXIAL TERMINAL EACH END
electrical_resistance51.000 KILOHMS
reliability_indicatorNOT ESTABLISHED
end_item_identificationINTERCOMMUNICATION STATION TYPE AN/AIC 18
NSN5905-00-141-0597
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,COMPOSITION TITLE COMPONENT PN A81-91 MFR RESISTOR,FIXED,COMPOSI
KEY FEATURES
STYLE DESIGNATOR: AXIAL TERMINAL EACH END
AMBIENT TEMP AT FULL RATED POWER: 70.0 CELSIUS DEGC
RELIABILITY INDICATOR: NOT ESTABLISHED
POWER DISSIPATION RATING IN WATTS: 0.500 FREE AIR
BODY LENGTH: 0.375 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 130.0
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
TERMINAL TYPE: WIRE LEAD
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORAXIAL TERMINAL EACH END
AMBIENT TEMP AT FULL RATED POWER70.0 CELSIUS DEGC
RELIABILITY INDICATORNOT ESTABLISHED
POWER DISSIPATION RATING IN WATTS0.500 FREE AIR
BODY LENGTH0.375 INCHES NOMINAL IN
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER130.0
TERMINAL LENGTH1.500 INCHES NOMINAL IN
TERMINAL TYPEWIRE LEAD
BODY DIAMETER0.138 INCHES NOMINAL IN
INCLOSURE TYPEENCAPSULATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
RC20BF513JInterchangeable
interchangeable cross-reference
interchangeable
RC20AF513JInterchangeable
interchangeable cross-reference
interchangeable
500356Interchangeable
interchangeable cross-reference
interchangeable
TR-CA513CInterchangeable
interchangeable cross-reference
interchangeable
2495500-90Interchangeable
interchangeable cross-reference
interchangeable
4010513-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A81-91?
A81-91 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace A81-91?
There are 26 known substitutes for A81-91: RC20BF513J, RC20AF513J, 500356 and 23 more. Substitute compatibility should be verified for your specific system.
Is A81-91 still available?
A81-91 is currently cancelled.
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