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PartsTable / COMPONENT / M45938/1-12
M45938/1-12 ✓ 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 M45938/1-12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-834-8747, 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
M45938/1-12
NSN: 5310-00-834-8747
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45938/1-12
NSN5310-00-834-8747
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/1-12 · 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
•
NUT DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT STYLE: CLINCH
•
PILOT DIAMETER: 0.210 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT DIAMETER0.312 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT STYLECLINCH
PILOT DIAMETER0.210 INCHES NOMINAL IN
PILOT LENGTH0.038 INCHES NOMINAL IN
NUT HEIGHT0.131 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
7503Interchangeable
interchangeable cross-reference
interchangeable
7503-1Interchangeable
interchangeable cross-reference
interchangeable
7100091506Interchangeable
interchangeable cross-reference
interchangeable
60-1INInterchangeable
interchangeable cross-reference
interchangeable
S8-321Interchangeable
interchangeable cross-reference
interchangeable
GN512BGS8-321Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/1-12?
M45938/1-12 is a M45938/1-12.
What parts can replace M45938/1-12?
There are 13 known substitutes for M45938/1-12: 7503, 7503-1, 7100091506 and 10 more. Substitute compatibility should be verified for your specific system.
Is M45938/1-12 still available?
M45938/1-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026