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Technical Data Sheet
PartsTable / COMPONENT / 11662296-4
11662296-4 ✓ 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,OCTAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN, OCTAGON, nut_height: 0.366 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, 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 5310-00-150-1745, 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
11662296-4
NSN: 5310-00-150-1745
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN, OCTAGON
nut_height0.366 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats3.250 INCHES NOMINAL IN
nominal_thread_size2.375 INCHES IN
thread_quantity_per_inch16
NSN5310-00-150-1745
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11662296-4 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.366 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 3.250 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 2.375 INCHES IN
•
THREAD SERIES: UN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.366 INCHES NOMINAL IN
WIDTH ACROSS FLATS3.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE2.375 INCHES IN
THREAD SERIESUN
THREAD CLASS2B
THREAD QUANTITY PER INCH16
NUT STYLEPLAIN, OCTAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A5000Interchangeable
interchangeable cross-reference
interchangeable
122-6722635 PC 37Interchangeable
interchangeable cross-reference
interchangeable
191758Interchangeable
interchangeable cross-reference
interchangeable
W-125Interchangeable
interchangeable cross-reference
interchangeable
NAS51-125Interchangeable
interchangeable cross-reference
interchangeable
10096-031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11662296-4?
11662296-4 is a NUT,PLAIN,OCTAGON.
What parts can replace 11662296-4?
There are 10 known substitutes for 11662296-4: A5000, 122-6722635 PC 37, 191758 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11662296-4?
11662296-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-150-1745. 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