PartsTable
Technical Data Sheet
21251 ✓ Verified by PartsTable
Legrand · 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

<b>Soft sleeve for laptops, ultrabooks and Macbooks up to 13.3” (260x350 mm)</b>. Key specifications include diameter: 0.7500 INCHES NOMINAL IN, material: STEEL COMP 4140 OVERALL, head_style: FLAT COUNTERSUNK, shank_type: STRAIGHT ROUND W/SQUARE END, point_style: OVAL, reamer_type: HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5110-00-255-6557, 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
21251
NSN: 5110-00-255-6557
FSC: 5110
CAGE: 067J8 — MORSE CUTTING TOOLS (USA)
SPECIFICATIONS
diameter0.7500 INCHES NOMINAL IN
materialSTEEL COMP 4140 OVERALL
head_styleFLAT COUNTERSUNK
shank_typeSTRAIGHT ROUND W/SQUARE END
point_styleOVAL
reamer_typeHAND
constructionONE-PIECE
flute_designSTRAIGHT
flute_length4.188 INCHES NOMINAL IN
thread_class2A A
top_diameter4.875 INCHES NOMINAL IN
usage_designPROVIDES SUPPORT FOR DIPOLE
NSN5110-00-255-6557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Legrand CAPACITOR,ELECTRICAL TITLE COMPONENT PN 21251 MFR Legrand CAPACITOR,ELECTRICAL
KEY FEATURES
SHANK TYPE: STRAIGHT ROUND W/SQUARE END
MATERIAL: STEEL
ENVIRONMENTAL ATTRIBUTE CODE: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
SPECIFICATION/STANDARD DATA: 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLUTE DESIGN: STRAIGHT
FLUTE LENGTH: 4.188 INCHES NOMINAL IN
DIAMETER: 0.7500 INCHES NOMINAL IN
REAMER TYPE: HAND
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)
SHANK TYPESTRAIGHT ROUND W/SQUARE END
MATERIALSTEEL
ENVIRONMENTAL ATTRIBUTE CODEPLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
SPECIFICATION/STANDARD DATA05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLUTE DESIGNSTRAIGHT
FLUTE LENGTH4.188 INCHES NOMINAL IN
DIAMETER0.7500 INCHES NOMINAL IN
REAMER TYPEHAND
OVERALL LENGTH8.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
ESD33626-4Interchangeable
interchangeable cross-reference
interchangeable
ESD3362-4Interchangeable
interchangeable cross-reference
interchangeable
ASB156-3Interchangeable
interchangeable cross-reference
interchangeable
PY0046Interchangeable
interchangeable cross-reference
interchangeable
21251Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21251?
21251 is a CAPACITOR,ELECTRICAL manufactured by Legrand.
What parts can replace 21251?
There are 19 known substitutes for 21251: ESD33626-4, ESD3362-4, ASB156-3 and 16 more. Substitute compatibility should be verified for your specific system.
Is 21251 still available?
21251 is currently cancelled.
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