PartsTable
Technical Data Sheet
43N3934-10 ✓ 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 410 OR STEEL COMP 416 OVERALL, nut_style: HEXAGON, nut_height: 0.296 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), 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 5310-00-189-5165, 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
43N3934-10
NSN: 5310-00-189-5165
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OR STEEL COMP 416 OVERALL
nut_styleHEXAGON
nut_height0.296 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.788 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
nominal_thread_size0.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch13
nondefinitive_spec/std_data4 TYPE AND A STYLE AND B STYLE
NSN5310-00-189-5165
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 43N3934-10 · 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: 0.500 INCHES IN
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH: 13
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENT: PASSIVATE OVERALL
THREAD DIRECTION: RIGHT-HAND
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY MATERIAL
MATERIAL: STEEL COMP 410 OR STEEL COMP 416 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH13
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY MATERIAL
MATERIALSTEEL COMP 410 OR STEEL COMP 416 OVERALL
NUT HEIGHT0.296 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MILB857TYPE4STYLEA0RBInterchangeable
interchangeable cross-reference
interchangeable
445-4510939M16Interchangeable
interchangeable cross-reference
interchangeable
SL7940-1-5Interchangeable
interchangeable cross-reference
interchangeable
81223S41-991ALT1PC12Interchangeable
interchangeable cross-reference
interchangeable
81223S41-984PC12Interchangeable
interchangeable cross-reference
interchangeable
BB55S61-01112PC12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43N3934-10?
43N3934-10 is a NUT,PLAIN,HEXAGON.
What parts can replace 43N3934-10?
There are 9 known substitutes for 43N3934-10: MILB857TYPE4STYLEA0RB, 445-4510939M16, SL7940-1-5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 43N3934-10?
43N3934-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-5165. This indicates validated use in U.S. government and defense supply chains.
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