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Technical Data Sheet
PartsTable / COMPONENT / 9100049
9100049 ✓ 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: 0.375 INCHES NOMINAL IN, thread_class: 3B, 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 5310-00-819-4105, 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
9100049
NSN: 5310-00-819-4105
FSC: 5310
CAGE: 63117 — SICARD A DIVISION OF SMI-SNOWBLAST INC DBA SICARD (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.375 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch14
NSN5310-00-819-4105
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9100049 · 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
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
THREAD QUANTITY PER INCH: 14
•
BEARING SURFACE TYPE: CHAMFERED
•
MATERIAL: STEEL OVERALL
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.438 INCHES IN
THREAD QUANTITY PER INCH14
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NUT HEIGHT0.375 INCHES NOMINAL IN
THREAD CLASS3B
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
RBC8476Interchangeable
interchangeable cross-reference
interchangeable
14196Interchangeable
interchangeable cross-reference
interchangeable
8476Interchangeable
interchangeable cross-reference
interchangeable
301SH192Interchangeable
interchangeable cross-reference
interchangeable
84760Interchangeable
interchangeable cross-reference
interchangeable
755002A7721-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9100049?
9100049 is a NUT,PLAIN,HEXAGON.
What parts can replace 9100049?
There are 8 known substitutes for 9100049: RBC8476, 14196, 8476 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9100049?
9100049 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-819-4105. 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