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129A — Technical Data Sheet

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— · NUT WASHER
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 handle_style: "T", curved_end_style: MATERIAL HANDLING, length_under_handle: 9.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-407-8076, 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
129A
NSN: 5310-00-407-8076
FSC: 5310
CAGE: 73749 — FOLLETT TIME RECORDING CO INC (USA)
SPECIFICATIONS
handle_style"T"
curved_end_styleMATERIAL HANDLING
length_under_handle9.000 INCHES NOMINAL IN
NSN5310-00-407-8076
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 129A · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 48
•
NOMINAL THREAD SIZE: 0.099 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2B
•
NUT HEIGHT: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
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)
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH48
NOMINAL THREAD SIZE0.099 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
NUT HEIGHT0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
NUT STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
10465570Interchangeable
interchangeable cross-reference
interchangeable
53C7126Interchangeable
interchangeable cross-reference
interchangeable
22570Interchangeable
interchangeable cross-reference
interchangeable
53B7129Interchangeable
Capacitor,fixed,ceramic Dielectr
interchangeable
53C7127Interchangeable
Capacitor,fixed,ceramic Dielectr
interchangeable
53C7126-41070Interchangeable
Capacitor,fixed,ceramic Dielectr
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 129A?
129A is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 129A?
There are 13 known substitutes for 129A: 10465570, 53C7126, 22570 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 129A?
129A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-407-8076. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026