PartsTable
Technical Data Sheet
PartsTable / MRO / A450
A450 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
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 diameter: 0.438 INCHES NOMINAL IN, material: STEEL, body_style: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES, body_width: 1.690 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN, drive_type: SLOTTED, body_height: 2.050 INCHES MINIMUM AND 2.090 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-449-3161, 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→ A450
NSN: 5325-00-449-3161
FSC: 5325
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
diameter0.438 INCHES NOMINAL IN
materialSTEEL
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width1.690 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
drive_typeSLOTTED
body_height2.050 INCHES MINIMUM AND 2.090 INCHES MAXIMUM IN
body_length2.180 INCHES MINIMUM AND 2.220 INCHES MAXIMUM IN
grip_length0.5000 INCHES NOMINAL IN
overall_diameter7.875 INCHES NOMINAL IN
shank_neck_length0.080 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
electrical_polarizationPOLARIZED
NSN5325-00-449-3161
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A450 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL ACCOMMODATED THICKNESS: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
•
SHANK NECK LENGTH: 0.080 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 8620 OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STUD SHANK MAJOR DIAMETER: 0.250 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
GRIP LENGTH: 0.5000 INCHES NOMINAL 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)
MATERIAL ACCOMMODATED THICKNESS0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
SHANK NECK LENGTH0.080 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 1 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 8620 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STUD SHANK MAJOR DIAMETER0.250 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFILLISTER
GRIP LENGTH0.5000 INCHES NOMINAL IN
DIAMETER0.438 INCHES NOMINAL IN
DRIVE TYPESLOTTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
A455Interchangeable
interchangeable cross-reference
interchangeable
47054Interchangeable
interchangeable cross-reference
interchangeable
44916Interchangeable
interchangeable cross-reference
interchangeable
GPW2013Interchangeable
interchangeable cross-reference
interchangeable
A450Interchangeable
interchangeable cross-reference
interchangeable
A450AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A450?
A450 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace A450?
There are 12 known substitutes for A450: A455, 47054, 44916 and 9 more. Substitute compatibility should be verified for your specific system.
Is A450 still available?
A450 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026