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PartsTable / COMPONENT / 68A450803-2001
68A450803-2001 ✓ 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: 0.250 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT (UNJ), 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 5310-00-312-1071, 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
68A450803-2001
NSN: 5310-00-312-1071
FSC: 5310
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT (UNJ)
thread_directionRIGHT-HAND
countersink_angle86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM NUT
surface_treatmentPASSIVATE OVERALL
width_across_flats1.125 INCHES NOMINAL IN
nominal_thread_size0.812 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
drilled_hole_diameter0.070 INCHES NOMINAL IN
NSN5310-00-312-1071
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68A450803-2001 · 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 HEIGHT: 0.250 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.070 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)
•
THREAD QUANTITY PER INCH: 16
•
NOMINAL THREAD SIZE: 0.812 INCHES IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.250 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.070 INCHES NOMINAL IN
THREAD CLASS3B
HOLE CONFIGURATION STYLECONFIGURATION B
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE0.812 INCHES IN
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.125 INCHES NOMINAL IN
HOLE TYPE AND QUANTITY3 DRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
23144Interchangeable
interchangeable cross-reference
interchangeable
53608Interchangeable
interchangeable cross-reference
interchangeable
110S 1-11/16Interchangeable
interchangeable cross-reference
interchangeable
941 1-11/16Interchangeable
interchangeable cross-reference
interchangeable
1331-006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68A450803-2001?
68A450803-2001 is a NUT,PLAIN,HEXAGON.
What parts can replace 68A450803-2001?
There are 5 known substitutes for 68A450803-2001: 23144, 53608, 110S 1-11/16 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 68A450803-2001?
68A450803-2001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-312-1071. 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