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PartsTable / COMPONENT / 5310L20-002
5310L20-002 ✓ 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 COMP 8740 OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNS, 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 5310-00-146-0778, 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
5310L20-002
NSN: 5310-00-146-0778
FSC: 5310
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleHEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class3B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeWASHER FACED
drilled_hole_diameter0.125 INCHES NOMINAL IN
hole_type_and_quantity3 DRILLED
hole_configuration_styleCONFIGURATION A
NSN5310-00-146-0778
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310L20-002 · 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
•
THREAD CLASS: 3B
•
NUT HEIGHT: 0.312 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
BEARING SURFACE TYPE: WASHER FACED
•
HOLE CONFIGURATION STYLE: CONFIGURATION A
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
NUT HEIGHT0.312 INCHES NOMINAL IN
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.125 INCHES NOMINAL IN
BEARING SURFACE TYPEWASHER FACED
HOLE CONFIGURATION STYLECONFIGURATION A
NOMINAL THREAD SIZE0.750 INCHES IN
THREAD QUANTITY PER INCH16
THREAD SERIESUNS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
6-167Interchangeable
interchangeable cross-reference
interchangeable
2192512411-1Interchangeable
interchangeable cross-reference
interchangeable
D6SE-167GYInterchangeable
interchangeable cross-reference
interchangeable
5453 1/2Interchangeable
interchangeable cross-reference
interchangeable
V00000851Interchangeable
interchangeable cross-reference
interchangeable
5453 1/2 IN.Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310L20-002?
5310L20-002 is a NUT,PLAIN,HEXAGON.
What parts can replace 5310L20-002?
There are 20 known substitutes for 5310L20-002: 6-167, 2192512411-1, D6SE-167GY and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310L20-002?
5310L20-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-146-0778. 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