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PartsTable / COMPONENT / Q1910
Q1910 ✓ 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: 0.421 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), 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 5310-00-022-0068, 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
Q1910
NSN: 5310-00-022-0068
FSC: 5310
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.421 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.812 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch13
nondefinitive_spec/std_dataB2 TYPE AND A1 STYLE
specification/standard_data81348-FF-B-571/SUPERSEDED/ GOVERNMENT SPECIFICATION
NSN5310-00-022-0068
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Q1910 · 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
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
BEARING SURFACE TYPE: WASHER FACED
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
MATERIAL: STEEL OVERALL
•
SPECIFICATION/STANDARD DATA: 81348-FF-B-571/SUPERSEDED/ GOVERNMENT SPECIFICATION
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE0.500 INCHES IN
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA81348-FF-B-571/SUPERSEDED/ GOVERNMENT SPECIFICATION
THREAD CLASS2B
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY NUT HEIGHT
NONDEFINITIVE SPEC/STD DATAB2 TYPE AND A1 STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
A77-180Interchangeable
interchangeable cross-reference
interchangeable
P254Interchangeable
interchangeable cross-reference
interchangeable
8-172Interchangeable
interchangeable cross-reference
interchangeable
P52Interchangeable
interchangeable cross-reference
interchangeable
95000-100Interchangeable
interchangeable cross-reference
interchangeable
9018998Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q1910?
Q1910 is a NUT,PLAIN,HEXAGON.
What parts can replace Q1910?
There are 13 known substitutes for Q1910: A77-180, P254, 8-172 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Q1910?
Q1910 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-022-0068. 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