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PartsTable / COMPONENT / M45938/1-9
M45938/1-9 ✓ 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 M45938/1-9 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-013-0208, 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
M45938/1-9
NSN: 5310-01-013-0208
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45938/1-9
NSN5310-01-013-0208
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/1-9 · 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 STYLE: CLINCH
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
HARDNESS RATING: 35.0 ROCKWELL C MAXIMUM
•
THREAD QUANTITY PER INCH: 32
•
NUT HEIGHT: 0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLECLINCH
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
HARDNESS RATING35.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH32
NUT HEIGHT0.096 INCHES MINIMUM AND 0.131 INCHES MAXIMUM IN
PILOT LENGTH0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
NUT DIAMETER0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
27046Interchangeable
interchangeable cross-reference
interchangeable
850687Interchangeable
interchangeable cross-reference
interchangeable
9N9589Interchangeable
interchangeable cross-reference
interchangeable
27R44Interchangeable
interchangeable cross-reference
interchangeable
32500Interchangeable
interchangeable cross-reference
interchangeable
CA59600922-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/1-9?
M45938/1-9 is a M45938/1-9.
What parts can replace M45938/1-9?
There are 18 known substitutes for M45938/1-9: 27046, 850687, 9N9589 and 15 more. Substitute compatibility should be verified for your specific system.
Is M45938/1-9 still available?
M45938/1-9 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