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Technical Data Sheet
PartsTable / COMPONENT / 2250236
2250236 ✓ 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,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), overall_height: 0.563 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN, hardness_rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-009-3913, 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
2250236
NSN: 5310-00-009-3913
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_height0.563 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
hardness_rating83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
thread_directionRIGHT-HAND
washer_thickness0.156 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
width_across_flats0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
washer_outside_diameter1.125 INCHES NOMINAL IN
NSN5310-00-009-3913
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2250236 · 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
•
NUT STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WASHER OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
HARDNESS RATING: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WASHER OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.500 INCHES IN
HARDNESS RATING83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 88.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
THREAD QUANTITY PER INCH13
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
OVERALL HEIGHT0.563 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
588B102Interchangeable
interchangeable cross-reference
interchangeable
FN04-02MBInterchangeable
interchangeable cross-reference
interchangeable
A4402Interchangeable
interchangeable cross-reference
interchangeable
100R1Interchangeable
interchangeable cross-reference
interchangeable
79510Interchangeable
interchangeable cross-reference
interchangeable
12C1TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2250236?
2250236 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 2250236?
There are 8 known substitutes for 2250236: 588B102, FN04-02MB, A4402 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2250236?
2250236 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-009-3913. 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