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PartsTable / COMPONENT / 30100-1012-1
30100-1012-1 ✓ 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 material: TITANIUM ALLOY UNS R56400 OVERALL, nut_diameter: 4.437 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.624 INCHES NOMINAL IN, thread_series: UN, 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 5310-01-429-4781, 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
30100-1012-1
NSN: 5310-01-429-4781
FSC: 5310
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
nut_diameter4.437 INCHES NOMINAL IN
thread_class3B
nut_thickness0.624 INCHES NOMINAL IN
thread_seriesUN
thread_directionRIGHT-HAND
drive_point_width0.500 INCHES NOMINAL IN
small_end_diameter3.432 INCHES MINIMUM AND 3.441 INCHES MAXIMUM IN
nominal_thread_size3.500 INCHES IN
drive_point_quantity4
thread_quantity_per_inch16
NSN5310-01-429-4781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30100-1012-1 · 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
•
THREAD QUANTITY PER INCH: 16
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 3.500 INCHES IN
•
SMALL END DIAMETER: 3.432 INCHES MINIMUM AND 3.441 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
DRIVE POINT QUANTITY: 4
•
NUT DIAMETER: 4.437 INCHES NOMINAL IN
•
MATERIAL: TITANIUM ALLOY UNS R56400 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH16
THREAD SERIESUN
NOMINAL THREAD SIZE3.500 INCHES IN
SMALL END DIAMETER3.432 INCHES MINIMUM AND 3.441 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
DRIVE POINT QUANTITY4
NUT DIAMETER4.437 INCHES NOMINAL IN
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
NUT THICKNESS0.624 INCHES NOMINAL IN
DRIVE POINT WIDTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
3010042Interchangeable
interchangeable cross-reference
interchangeable
217805Interchangeable
interchangeable cross-reference
interchangeable
MA207-21677Interchangeable
interchangeable cross-reference
interchangeable
10801AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30100-1012-1?
30100-1012-1 is a NUT,PLAIN,ROUND.
What parts can replace 30100-1012-1?
There are 4 known substitutes for 30100-1012-1: 3010042, 217805, MA207-21677 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30100-1012-1?
30100-1012-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-429-4781. 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