PartsTable
Technical Data Sheet
631-2D ✓ 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 CAPACITOR ASSEMBLY 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 ALLOY OVERALL, point_type: SPLIT, point_angle: 135.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 2.312 INCHES NOMINAL IN, component_name: CAPACITOR,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 5910-00-561-6164, 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 631-2D
NSN: 5910-00-561-6164
FSC: 5910
CAGE: 24655 — GENRAD INC (USA)
SPECIFICATIONS
materialSTEEL ALLOY OVERALL
point_typeSPLIT
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length2.312 INCHES NOMINAL IN
component_nameCAPACITOR,FIXED
flute_quantity2
overall_length3.500 INCHES NOMINAL IN
shank_diameter0.187 INCHES NOMINAL IN
special_featuresJOBBERS LG; FRACTIONAL SIZE 3/16
cutting_end_styleGENERAL PURPOSE
component_quantity8
NSN5910-00-561-6164
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR ASSEMBLY TITLE COMPONENT PN 631-2D MFR CAPACITOR ASSEMBLY
KEY FEATURES
COMPONENT IDENTIFYING NUMBER: 631-2D DRAWING NO.
COMPONENT CONTROLLING AGENCY: GENERAL RADIO CO
COMPONENT QUANTITY: 8
COMPONENT RELATIONSHIP: NOT MATCHED
COMPONENT NAME: CAPACITOR,FIXED
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)
COMPONENT IDENTIFYING NUMBER631-2D DRAWING NO.
COMPONENT CONTROLLING AGENCYGENERAL RADIO CO
COMPONENT QUANTITY8
COMPONENT RELATIONSHIPNOT MATCHED
COMPONENT NAMECAPACITOR,FIXED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
PM-M58Interchangeable
interchangeable cross-reference
interchangeable
MR36W500DCAARInterchangeable
interchangeable cross-reference
interchangeable
MIL-M-10304/12Interchangeable
interchangeable cross-reference
interchangeable
631-24Interchangeable
interchangeable cross-reference
interchangeable
20-128Interchangeable
interchangeable cross-reference
interchangeable
5360PL0955236Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 631-2D?
631-2D is a CAPACITOR ASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 631-2D?
There are 20 known substitutes for 631-2D: PM-M58, MR36W500DCAAR, MIL-M-10304/12 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 631-2D?
631-2D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-561-6164. This indicates validated use in U.S. government and defense supply chains.
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