PartsTable
Technical Data Sheet
M45938-6-8 ✓ 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,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1110 NUT, nut_style: SPLINE, nut_height: 0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, nut_diameter: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, pilot_length: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-538-7802, 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
M45938-6-8
NSN: 5310-00-538-7802
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 1110 NUT
nut_styleSPLINE
nut_height0.173 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
nut_diameter0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
pilot_length0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.221 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL EXCEPT INSERT
NSN5310-00-538-7802
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938-6-8 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENT: CADMIUM OVERALL EXCEPT INSERT
THREAD DIRECTION: RIGHT-HAND
PILOT DIAMETER: 0.221 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66,AISI 1110 FED SPEC SINGLE MATERIAL RESPONSE NUT
NOMINAL THREAD SIZE: 0.164 INCHES IN
MATERIAL: PLASTIC LOCKING INSERT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
THREAD DIRECTIONRIGHT-HAND
PILOT DIAMETER0.221 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66,AISI 1110 FED SPEC SINGLE MATERIAL RESPONSE NUT
NOMINAL THREAD SIZE0.164 INCHES IN
MATERIALPLASTIC LOCKING INSERT
MATERIALSTEEL COMP 1110 NUT
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT STYLESPLINE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1752101-4Interchangeable
interchangeable cross-reference
interchangeable
M45938-6-6Interchangeable
interchangeable cross-reference
interchangeable
200AS106-6B060CRInterchangeable
interchangeable cross-reference
interchangeable
1769455-37Interchangeable
interchangeable cross-reference
interchangeable
10121915Interchangeable
interchangeable cross-reference
interchangeable
SN-078Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938-6-8?
M45938-6-8 is a NUT,SELF-LOCKING,SPLINE.
What parts can replace M45938-6-8?
There are 21 known substitutes for M45938-6-8: 1752101-4, M45938-6-6, 200AS106-6B060CR and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45938-6-8?
M45938-6-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-538-7802. This indicates validated use in U.S. government and defense supply chains.
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