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Technical Data Sheet
PartsTable / COMPONENT / 0623-69
0623-69 ✓ 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,CLINCH is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: CLINCH, nut_height: 0.147 INCHES NOMINAL IN, nut_diameter: 0.688 INCHES NOMINAL IN, pilot_length: 0.054 INCHES NOMINAL IN, thread_class: 3B. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-8128, 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
0623-69
NSN: 5310-00-596-8128
FSC: 5310
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleCLINCH
nut_height0.147 INCHES NOMINAL IN
nut_diameter0.688 INCHES NOMINAL IN
pilot_length0.054 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.212 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.138 INCHES IN
thread_quantity_per_inch32
NSN5310-00-596-8128
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0623-69 · 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
•
PILOT DIAMETER: 0.212 INCHES NOMINAL IN
•
PILOT LENGTH: 0.054 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: CLINCH
TECHNICAL CHARACTERISTICS (FLIS)
PILOT DIAMETER0.212 INCHES NOMINAL IN
PILOT LENGTH0.054 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
NUT STYLECLINCH
NUT HEIGHT0.147 INCHES NOMINAL IN
NUT DIAMETER0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
F162K36517Interchangeable
interchangeable cross-reference
interchangeable
37055Interchangeable
interchangeable cross-reference
interchangeable
09-37055Interchangeable
interchangeable cross-reference
interchangeable
99015Interchangeable
interchangeable cross-reference
interchangeable
UL 1449Interchangeable
interchangeable cross-reference
interchangeable
CLA-632-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0623-69?
0623-69 is a NUT,PLAIN,CLINCH.
What parts can replace 0623-69?
There are 9 known substitutes for 0623-69: F162K36517, 37055, 09-37055 and 6 more. Substitute compatibility should be verified for your specific system.
Is 0623-69 still available?
0623-69 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026