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PartsTable / COMPONENT / 301241-15
301241-15 ✓ 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,KNURLED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2011 OVERALL, nut_style: KNURLED, nut_diameter: 0.502 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN, thread_class: 2B, nut_thickness: 0.093 INCHES NOMINAL IN, thread_series: UNEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-411-0734, 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
301241-15
NSN: 5310-00-411-0734
FSC: 5310
CAGE: 55588 — EATON ELECTRICAL INC. DBA CUTTLER HMMER CMRCL CNTRLS DIV DIV VEHICLE CONTROLS BUSINESS UNIT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2011 OVERALL
nut_styleKNURLED
nut_diameter0.502 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
thread_class2B
nut_thickness0.093 INCHES NOMINAL IN
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch32
material_document_and_classificationQQ-A-225/3,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-411-0734
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 301241-15 · 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 CLASS: 2B
•
MATERIAL: ALUMINUM ALLOY 2011 OVERALL
•
NUT THICKNESS: 0.093 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/3,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES: UNEF
•
THREAD QUANTITY PER INCH: 32
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
MATERIALALUMINUM ALLOY 2011 OVERALL
NUT THICKNESS0.093 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIESUNEF
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.375 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT DIAMETER0.502 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
NUT STYLEKNURLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
BT8Interchangeable
interchangeable cross-reference
interchangeable
12613033-74Interchangeable
interchangeable cross-reference
interchangeable
24P226471-01Interchangeable
interchangeable cross-reference
interchangeable
PC76018-2Interchangeable
interchangeable cross-reference
interchangeable
11122Interchangeable
interchangeable cross-reference
interchangeable
XPC76018-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 301241-15?
301241-15 is a NUT,PLAIN,KNURLED.
What parts can replace 301241-15?
There are 17 known substitutes for 301241-15: BT8, 12613033-74, 24P226471-01 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 301241-15?
301241-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-411-0734. 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