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404831 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

404831: CAPACITOR,FIXED,ELECTROLYTIC.

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 body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.812 INCHES NOMINAL IN, body_diameter: 0.733 INCHES NOMINAL IN, end_item_identification: UNIT SHELL ST; VIRGINIA CLASS SUBMARINE, SSN-774, nonderated_operating_temp: -40.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC, tolerance_range_per_section: -20.00 TO 20.00 PERCENT SINGLE SECTION. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-1949, 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→ 404831
NSN: 5305-00-013-1949
NIINs: 000131949, 007359674, 011063476, 011396042, 014557892, 015186600
FSC: 5305 — Screws
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.812 INCHES NOMINAL IN
body_diameter0.733 INCHES NOMINAL IN
end_item_identificationUNIT SHELL ST; VIRGINIA CLASS SUBMARINE, SSN-774
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
capacitance_value_per_section1.000 MICROFARADS SINGLE SECTION
nonderated_continuous_voltage_rating_and_type_per_section1000.0 DC SINGLE SECTION
NSN5305-00-013-1949
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 404831 · 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
•
HEAD HEIGHT: 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.187 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-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
HEAD HEIGHT0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.188 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
THREAD LENGTH0.187 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
SUBSTITUTES & CROSS-REFERENCES 5
131949Reference document
Same NSN cross-reference
Reference document — Secondary reference
8X884Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S7S8Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S7Reference document
Same NSN cross-reference
Reference document — Secondary reference
31027S8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 404831?
404831 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 404831?
There are 5 known substitutes for 404831: 131949, 8X884, 31027S7S8 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 404831?
404831 is cataloged in the U.S. Government catalog under NSN 5305-00-013-1949. This indicates validated use in U.S. government and defense supply chains.
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