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Technical Data Sheet
PT521 ✓ 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 RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include diameter: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, material: STEEL OVERALL, nut_style: HEXAGON, body_style: THREADED BUSHING MOUNTED, nut_height: 0.250 INCHES NOMINAL IN, body_length: 0.640 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-186-9882, 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
PT521
NSN: 5935-00-186-9882
FSC: 5935
CAGE: 37942 — YOSEMITE INVESTMENT INC DBA NORTH AMERICAN CAPACITOR CO (USA)
SPECIFICATIONS
diameter0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
materialSTEEL OVERALL
nut_styleHEXAGON
body_styleTHREADED BUSHING MOUNTED
nut_height0.250 INCHES NOMINAL IN
body_length0.640 INCHES NOMINAL IN
thread_class2B
terminal_typeTAB, SOLDER LUG
thread_seriesUNF
chamfer_length0.032 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
locking_featureFREE-RUNNING ALL METAL DESIGN
NSN5935-00-186-9882
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,COMPOSITION TITLE COMPONENT PN PT521 MFR RESISTOR,FIXED,COMPOSI
KEY FEATURES
BUSHING THRU-HOLE ACCOMMODATION DIAMETER: 0.250 INCHES NOMINAL IN
FINGER ACCOMMODATION DIAMETER: 0.086 INCHES NOMINAL SINGLE FINGER IN
TERMINAL TYPE: TAB, SOLDER LUG
ACCOMMODATED FINGER TYPE: TEST PROD SINGLE FINGER
NOMINAL THREAD SIZE: 0.250 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY: 1 BUSHING
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
BUSHING THRU-HOLE ACCOMMODATION DIAMETER0.250 INCHES NOMINAL IN
FINGER ACCOMMODATION DIAMETER0.086 INCHES NOMINAL SINGLE FINGER IN
TERMINAL TYPETAB, SOLDER LUG
ACCOMMODATED FINGER TYPETEST PROD SINGLE FINGER
FINGER ACCOMMODATION DIAMETER0.086 INCHES NOMINAL SINGLE FINGER IN
NOMINAL THREAD SIZE0.250 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY1 BUSHING
THREAD DIRECTIONRIGHT-HAND
MATERIALCOPPER ALLOY BODY
OVERALL DIAMETER0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
202-103Interchangeable
interchangeable cross-reference
interchangeable
825-31Interchangeable
interchangeable cross-reference
interchangeable
1884516Interchangeable
interchangeable cross-reference
interchangeable
TRU-4976Interchangeable
interchangeable cross-reference
interchangeable
745-0785-000Interchangeable
interchangeable cross-reference
interchangeable
3-125-206-103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PT521?
PT521 is a RESISTOR,FIXED,COMPOSITION.
What parts can replace PT521?
There are 21 known substitutes for PT521: 202-103, 825-31, 1884516 and 18 more. Substitute compatibility should be verified for your specific system.
Is PT521 still available?
PT521 is currently cancelled.
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