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50E2-2 — Technical Data Sheet

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL OVERALL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.670 INCHES MAXIMUM IN, body_diameter: 0.335 INCHES MAXIMUM IN, hole_diameter: 6.0 MILLIMETERS NOMINAL MM, terminal_length: 1.380 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-5931, 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→ 50E2-2
NSN: 5310-00-543-5931
FSC: 5310
CAGE: D0680 — FAIRCHILD FASTENERS EUROPE - CAMLOC GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.670 INCHES MAXIMUM IN
body_diameter0.335 INCHES MAXIMUM IN
hole_diameter6.0 MILLIMETERS NOMINAL MM
terminal_length1.380 INCHES MINIMUM IN
outside_diameter11.0 MILLIMETERS NOMINAL MM
style_designatorSPLIT
surface_treatmentCADMIUM OVERALL
terminal_diameter0.025 INCHES NOMINAL IN
material_thickness0.5 MILLIMETERS NOMINAL MM
reliability_indicatorNOT ESTABLISHED
NSN5310-00-543-5931
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 50E2-2 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SPLIT
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
•
DISTANCE ACROSS SPLIT OPENING: 0.010 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
HOLE DIAMETER0.231 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
DISTANCE ACROSS SPLIT OPENING0.010 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.431 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
551841Interchangeable
interchangeable cross-reference
interchangeable
5930PL0640378Interchangeable
interchangeable cross-reference
interchangeable
1142703Interchangeable
interchangeable cross-reference
interchangeable
828842-00Interchangeable
interchangeable cross-reference
interchangeable
9026050Interchangeable
interchangeable cross-reference
interchangeable
12417770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50E2-2?
50E2-2 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 50E2-2?
There are 13 known substitutes for 50E2-2: 551841, 5930PL0640378, 1142703 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50E2-2?
50E2-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-5931. 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: September 2026