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PartsTable / COMPONENT / C311-520
C311-520 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include body_width: 1.750 INCHES NOMINAL IN, body_height: 2.812 INCHES NOMINAL IN, body_length: 2.750 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: FULLY INCLOSED, inductance_type: FIXED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-702-5469, 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
C311-520
NSN: 5950-00-702-5469
FSC: 5950
CAGE: 92755 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
body_width1.750 INCHES NOMINAL IN
body_height2.812 INCHES NOMINAL IN
body_length2.750 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
inductance_typeFIXED
mounting_methodTHREADED STUD(S) SINGLE GROUP
winding_quantity1 SINGLE COMPONENT
inductance_rating12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
NSN5950-00-702-5469
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN C311-520 MFR REACTOR
KEY FEATURES
•
DC RESISTANCE RATING IN OHMS: 350.000 SINGLE COMPONENT SINGLE WINDING
•
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INDUCTANCE RATING: 12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
BODY HEIGHT: 2.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DC RESISTANCE RATING IN OHMS350.000 SINGLE COMPONENT SINGLE WINDING
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
RELIABILITY INDICATORNOT ESTABLISHED
INDUCTANCE RATING12.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
BODY HEIGHT2.812 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY WIDTH1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
43135Interchangeable
interchangeable cross-reference
interchangeable
1523603Interchangeable
interchangeable cross-reference
interchangeable
135DA-6 PIECE 50Interchangeable
interchangeable cross-reference
interchangeable
135DA-6Interchangeable
interchangeable cross-reference
interchangeable
3285478Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C311-520?
C311-520 is a REACTOR.
What parts can replace C311-520?
There are 5 known substitutes for C311-520: 43135, 1523603, 135DA-6 PIECE 50 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C311-520?
C311-520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-702-5469. 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