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PartsTable / COMPONENT / 22ND10-02
22ND10-02 ✓ 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

NUT,SELF-LOCKING,ASSEMBLED WASHE. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: SPLINE, nut_height: 0.328 INCHES NOMINAL IN, nut_diameter: 0.438 INCHES NOMINAL IN, pilot_length: 0.125 INCHES NOMINAL IN, thread_class: 3B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-582-9550, 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
22ND10-02
NSN: 5310-00-582-9550
FSC: 5310
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleSPLINE
nut_height0.328 INCHES NOMINAL IN
nut_diameter0.438 INCHES NOMINAL IN
pilot_length0.125 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
pilot_diameter0.325 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
nominal_thread_size0.190 INCHES IN
NSN5310-00-582-9550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 22ND10-02 · 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 CLASS: 3B
•
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNF
•
SURFACE TREATMENT: CADMIUM NUT
•
PILOT DIAMETER: 0.325 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNF
MATERIALSTEEL NUT
SURFACE TREATMENTCADMIUM NUT
PILOT DIAMETER0.325 INCHES NOMINAL IN
NUT STYLESPLINE
PILOT LENGTH0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
00044Interchangeable
interchangeable cross-reference
interchangeable
50165Interchangeable
interchangeable cross-reference
interchangeable
22518CADInterchangeable
interchangeable cross-reference
interchangeable
5018-260Interchangeable
interchangeable cross-reference
interchangeable
SC-B-70098Interchangeable
interchangeable cross-reference
interchangeable
93769W1ITEM1DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 22ND10-02?
22ND10-02 is a NUT,SELF-LOCKING,ASSEMBLED WASHE.
What parts can replace 22ND10-02?
There are 19 known substitutes for 22ND10-02: 00044, 50165, 22518CAD and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 22ND10-02?
22ND10-02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-582-9550. 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