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Technical Data Sheet
PartsTable / COMPONENT / T11237
T11237 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.844 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, 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 5310-00-220-6682, 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
T11237
NSN: 5310-00-220-6682
FSC: 5310
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.844 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.938 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch18
NSN5310-00-220-6682
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: T11237 · 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
•
NUT HEIGHT: 0.844 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.938 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NUT HEIGHT0.844 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.938 INCHES NOMINAL IN
THREAD CLASS2B
NOMINAL THREAD SIZE0.625 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNF
THREAD QUANTITY PER INCH18
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
MS25436-13Interchangeable
interchangeable cross-reference
interchangeable
65163Interchangeable
interchangeable cross-reference
interchangeable
11237Interchangeable
interchangeable cross-reference
interchangeable
14380Interchangeable
interchangeable cross-reference
interchangeable
54780Interchangeable
interchangeable cross-reference
interchangeable
08561Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T11237?
T11237 is a NUT,PLAIN,HEXAGON.
What parts can replace T11237?
There are 19 known substitutes for T11237: MS25436-13, 65163, 11237 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T11237?
T11237 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-220-6682. 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