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PartsTable / COMPONENT / 50376-1-185
50376-1-185 ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, thread_class: 2A A, nut_thickness: 0.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, drive_point_depth: 0.125 INCHES NOMINAL IN, small_end_diameter: 0.812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-216-7496, 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
50376-1-185
NSN: 5310-00-216-7496
FSC: 5310
CAGE: 4P759 — PUGET SOUND COMMERCE CENTER, INC. (USA)
SPECIFICATIONS
nut_styleROUND
thread_class2A A
nut_thickness0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
drive_point_depth0.125 INCHES NOMINAL IN
small_end_diameter0.812 INCHES NOMINAL IN
counterbore_diameter1.125 INCHES NOMINAL NUT IN
drive_point_diameter0.156 INCHES NOMINAL IN
drive_point_quantity4
nut_counterbore_depth0.312 INCHES NOMINAL NUT IN
NSN5310-00-216-7496
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 50376-1-185 · 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
•
SMALL END DIAMETER: 0.812 INCHES NOMINAL IN
•
NUT THICKNESS: 0.500 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 4
•
THREAD CLASS: 2A A
•
NUT COUNTERBORE DEPTH: 0.312 INCHES NOMINAL NUT IN
•
COUNTERBORE DIAMETER: 1.125 INCHES NOMINAL NUT IN
•
DRIVE POINT DEPTH: 0.125 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SMALL END DIAMETER0.812 INCHES NOMINAL IN
NUT THICKNESS0.500 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
THREAD CLASS2A A
NUT COUNTERBORE DEPTH0.312 INCHES NOMINAL NUT IN
COUNTERBORE DIAMETER1.125 INCHES NOMINAL NUT IN
DRIVE POINT DEPTH0.125 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.156 INCHES NOMINAL IN
NUT STYLEROUND
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
3M892-12D36Interchangeable
interchangeable cross-reference
interchangeable
3M892-14H34Interchangeable
interchangeable cross-reference
interchangeable
VS3617Interchangeable
interchangeable cross-reference
interchangeable
11105-3Interchangeable
interchangeable cross-reference
interchangeable
9555Interchangeable
interchangeable cross-reference
interchangeable
SF-9.5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50376-1-185?
50376-1-185 is a NUT,PLAIN,ROUND.
What parts can replace 50376-1-185?
There are 10 known substitutes for 50376-1-185: 3M892-12D36, 3M892-14H34, VS3617 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50376-1-185?
50376-1-185 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-216-7496. 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