PartsTable
Technical Data Sheet
A309790 ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: ROUND, nut_diameter: 2.683 INCHES NOMINAL IN, nut_thickness: 0.500 INCHES NOMINAL IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN, 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 5310-01-468-5497, 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
A309790
NSN: 5310-01-468-5497
FSC: 5310
CAGE: 3X894 — CONTROL FLOW, INC. DBA CONTROL FLOW INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleROUND
nut_diameter2.683 INCHES NOMINAL IN
nut_thickness0.500 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
drive_point_depth0.094 INCHES NOMINAL IN
drive_point_width0.250 INCHES NOMINAL IN
nominal_thread_size1.967 INCHES IN
drive_point_quantity4
thread_pitch_diameters+1.9309 TO 1.9354 INCHES IN
thread_quantity_per_inch18
NSN5310-01-468-5497
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A309790 · 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
NOMINAL THREAD SIZE: 1.967 INCHES IN
THREAD QUANTITY PER INCH: 18
THREAD PITCH DIAMETERS: +1.9309 TO 1.9354 INCHES IN
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS: 0.500 INCHES NOMINAL IN
DRIVE POINT QUANTITY: 4
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE1.967 INCHES IN
THREAD QUANTITY PER INCH18
THREAD PITCH DIAMETERS+1.9309 TO 1.9354 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT THICKNESS0.500 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 303 OVERALL
NUT DIAMETER2.683 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SAVX145-330P0RM3PCTInterchangeable
interchangeable cross-reference
interchangeable
532318-1Interchangeable
interchangeable cross-reference
interchangeable
SAVX-145 330 OHMSInterchangeable
interchangeable cross-reference
interchangeable
2994405Interchangeable
interchangeable cross-reference
interchangeable
NS10Interchangeable
interchangeable cross-reference
interchangeable
561B6-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A309790?
A309790 is a NUT,SELF-LOCKING,ROUND.
What parts can replace A309790?
There are 10 known substitutes for A309790: SAVX145-330P0RM3PCT, 532318-1, SAVX-145 330 OHMS and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A309790?
A309790 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-468-5497. This indicates validated use in U.S. government and defense supply chains.
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