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Technical Data Sheet
PartsTable / MRO / 150991
150991 ✓ 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

CAPACITOR,FIXED,CERAMIC DIELECTR. Key specifications include material: PLASTIC CASE, thickness: 0.062 INCHES NOMINAL IN, body_style: W/O MTG FACILITIES, RADIAL TERMINALS, body_length: 0.125 INCHES MAXIMUM IN, body_diameter: 0.350 INCHES MAXIMUM IN, hole_diameter: 0.344 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-527-7839, 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→ 150991
NSN: 5310-00-527-7839
FSC: 5310
CAGE: 70408 — AT AND T CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
thickness0.062 INCHES NOMINAL IN
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
body_length0.125 INCHES MAXIMUM IN
body_diameter0.350 INCHES MAXIMUM IN
hole_diameter0.344 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
overall_diameter0.562 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
peripheral_shape_styleROUND
center_hole_shape_styleROUND
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NSN5310-00-527-7839
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 150991 · 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
•
MATERIAL: WOOL OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
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)
MATERIALWOOL OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.344 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.562 INCHES NOMINAL IN
THICKNESS0.062 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
TGS10Interchangeable
interchangeable cross-reference
interchangeable
2150003-00Interchangeable
interchangeable cross-reference
interchangeable
25-406103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 150991?
150991 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 150991?
There are 3 known substitutes for 150991: TGS10, 2150003-00, 25-406103. Substitute compatibility should be verified for your specific system.
Is 150991 still available?
150991 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