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PartsTable / COMPONENT / 2S410091
2S410091 ✓ 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,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: EXTERNAL TOOTH, nut_height: 0.188 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.234 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 5310-00-224-0488, 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
2S410091
NSN: 5310-00-224-0488
FSC: 5310
CAGE: 94990 — MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleEXTERNAL TOOTH
nut_height0.188 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.234 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.438 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
washer_outside_diameter0.500 INCHES NOMINAL IN
thread_quantity_per_inch20
NSN5310-00-224-0488
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2S410091 · 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 OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT HEIGHT: 0.188 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 20
•
NUT STYLE: EXTERNAL TOOTH
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
NUT HEIGHT0.188 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
NUT STYLEEXTERNAL TOOTH
THREAD CLASS3B
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
212081Interchangeable
interchangeable cross-reference
interchangeable
K359-24Interchangeable
interchangeable cross-reference
interchangeable
2081Interchangeable
interchangeable cross-reference
interchangeable
76S2606Interchangeable
interchangeable cross-reference
interchangeable
D15-769WInterchangeable
interchangeable cross-reference
interchangeable
5650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2S410091?
2S410091 is a NUT,PLAIN,ASSEMBLED WASHER.
What parts can replace 2S410091?
There are 16 known substitutes for 2S410091: 212081, K359-24, 2081 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2S410091?
2S410091 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-224-0488. 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