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Technical Data Sheet
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M45938/11 — Technical Data Sheet

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— · 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,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.198 INCHES MAXIMUM IN, nut_diameter: 0.470 INCHES NOMINAL IN, pilot_length: 0.038 INCHES MAXIMUM IN, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-124-1257, 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
M45938/11
NSN: 5310-01-124-1257
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.198 INCHES MAXIMUM IN
nut_diameter0.470 INCHES NOMINAL IN
pilot_length0.038 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
pilot_diameter0.405 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.190 INCHES IN
NSN5310-01-124-1257
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/11 · 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
•
PILOT LENGTH: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL
•
NOMINAL THREAD SIZE: 0.086 INCHES IN
•
THREAD QUANTITY PER INCH: 56
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
PILOT DIAMETER: 0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PILOT LENGTH0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATERIALSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1023 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OVERALL
NOMINAL THREAD SIZE0.086 INCHES IN
THREAD QUANTITY PER INCH56
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
PILOT DIAMETER0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
NUT HEIGHT0.072 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
PEMCLS632-2Interchangeable
interchangeable cross-reference
interchangeable
10001-8Interchangeable
interchangeable cross-reference
interchangeable
322621-27Interchangeable
interchangeable cross-reference
interchangeable
916NKS-(0.125)Interchangeable
interchangeable cross-reference
interchangeable
CLS-0624-2Interchangeable
interchangeable cross-reference
interchangeable
M45938/1-23CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/11?
M45938/11 is a NUT,PLAIN,CLINCH.
What parts can replace M45938/11?
There are 11 known substitutes for M45938/11: PEMCLS632-2, 10001-8, 322621-27 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45938/11?
M45938/11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-124-1257. 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: September 2026