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Technical Data Sheet
PartsTable / COMPONENT / 81122ADX
81122ADX ✓ 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,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: SPLINE, nut_height: 0.323 INCHES NOMINAL IN, pilot_length: 0.085 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNJC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-7105, 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
81122ADX
NSN: 5310-00-596-7105
FSC: 5310
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleSPLINE
nut_height0.323 INCHES NOMINAL IN
pilot_length0.085 INCHES NOMINAL IN
thread_class3B
thread_seriesUNJC
pilot_diameter0.277 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.376 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
NSN5310-00-596-7105
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81122ADX · 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: STEEL CORROSION RESISTING OVERALL
•
PILOT DIAMETER: 0.277 INCHES NOMINAL IN
•
NUT HEIGHT: 0.323 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD SERIES: UNJC
•
THREAD QUANTITY PER INCH: 32
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
PILOT DIAMETER0.277 INCHES NOMINAL IN
NUT HEIGHT0.323 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD SERIESUNJC
THREAD QUANTITY PER INCH32
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.376 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
4330PL1622938Interchangeable
interchangeable cross-reference
interchangeable
3033355Interchangeable
interchangeable cross-reference
interchangeable
Z00.N7284510005TBMInterchangeable
interchangeable cross-reference
interchangeable
261T1101Interchangeable
interchangeable cross-reference
interchangeable
81-122Interchangeable
interchangeable cross-reference
interchangeable
890523-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81122ADX?
81122ADX is a NUT,SELF-LOCKING,SPLINE.
What parts can replace 81122ADX?
There are 7 known substitutes for 81122ADX: 4330PL1622938, 3033355, Z00.N7284510005TBM and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81122ADX?
81122ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-7105. 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: July 2026