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Technical Data Sheet
PartsTable / COMPONENT / 9-16-12NC
9-16-12NC ✓ 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 OVERALL, nut_style: HEXAGON, nut_height: 0.312 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 5310-00-163-2671, 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
9-16-12NC
NSN: 5310-00-163-2671
FSC: 5310
CAGE: 85578 — MARK CONTROLS CORP PACIFIC VALVES DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.875 INCHES NOMINAL IN
nominal_thread_size0.562 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch12
NSN5310-00-163-2671
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9-16-12NC · 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
•
NUT HEIGHT: 0.312 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
THREAD QUANTITY PER INCH: 12
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: FLAT
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2B
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.312 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.562 INCHES IN
THREAD QUANTITY PER INCH12
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEFLAT
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
11941Interchangeable
interchangeable cross-reference
interchangeable
SCB77585Interchangeable
interchangeable cross-reference
interchangeable
290-4573-000Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-3098/39Interchangeable
interchangeable cross-reference
interchangeable
CR61/U40M00000Interchangeable
interchangeable cross-reference
interchangeable
545-1016-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9-16-12NC?
9-16-12NC is a NUT,PLAIN,HEXAGON.
What parts can replace 9-16-12NC?
There are 10 known substitutes for 9-16-12NC: 11941, SCB77585, 290-4573-000 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-16-12NC?
9-16-12NC is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-163-2671. 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