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PartsTable / COMPONENT / 68NA1-064
68NA1-064 ✓ 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,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: PLATE, nut_height: 0.453 INCHES MAXIMUM IN, nut_length: 1.297 INCHES MAXIMUM IN, plate_width: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-497-3840, 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
68NA1-064
NSN: 5310-00-497-3840
FSC: 5310
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_stylePLATE
nut_height0.453 INCHES MAXIMUM IN
nut_length1.297 INCHES MAXIMUM IN
plate_width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT
plate_thickness0.075 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
NSN5310-00-497-3840
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 68NA1-064 · 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
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
PLATE THICKNESS: 0.075 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.453 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
•
NUT LENGTH: 1.297 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
NOMINAL THREAD SIZE0.375 INCHES IN
PLATE THICKNESS0.075 INCHES MAXIMUM IN
NUT HEIGHT0.453 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
NUT LENGTH1.297 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MS90064-1Interchangeable
interchangeable cross-reference
interchangeable
ARP568-013MILP5 516-70DURMInterchangeable
interchangeable cross-reference
interchangeable
AA55549-10Interchangeable
interchangeable cross-reference
interchangeable
871013Interchangeable
interchangeable cross-reference
interchangeable
95-07-31-14 ATInterchangeable
interchangeable cross-reference
interchangeable
N95G308Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 68NA1-064?
68NA1-064 is a NUT,SELF-LOCKING,PLATE.
What parts can replace 68NA1-064?
There are 8 known substitutes for 68NA1-064: MS90064-1, ARP568-013MILP5 516-70DURM, AA55549-10 and 5 more. Substitute compatibility should be verified for your specific system.
Is 68NA1-064 still available?
68NA1-064 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