PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 98PT129A
98PT129A ✓ Verified by PartsTable
— · 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

The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: SQUARE, nut_height: 0.250 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. 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
98PT129A
NSN: 5310-00-407-8076
FSC: 5310
CAGE: 73749 — FOLLETT TIME RECORDING CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleSQUARE
nut_height0.250 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.125 INCHES NOMINAL IN
nominal_thread_size0.099 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch48
NSN5310-00-407-8076
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98PT129A · 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
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 4
10465570Interchangeable
interchangeable cross-reference
interchangeable
53C7126Interchangeable
interchangeable cross-reference
interchangeable
129AInterchangeable
interchangeable cross-reference
interchangeable
22570Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 98PT129A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 98PT129A?
98PT129A is a NUT,PLAIN,SQUARE.
What parts can replace 98PT129A?
There are 4 known substitutes for 98PT129A: 10465570, 53C7126, 129A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 98PT129A?
98PT129A 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.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 98PT129A

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026