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Technical Data Sheet
PartsTable / COMPONENT / MIL-N-45938/1-9C
MIL-N-45938/1-9C ✓ 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 MIL-N-45938/1-9C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-044-6570, 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
MIL-N-45938/1-9C
NSN: 5310-01-044-6570
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-N-45938/1-9C
NSN5310-01-044-6570
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-N-45938/1-9C · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
PILOT LENGTH: 0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
NUT STYLE: CLINCH
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
PILOT LENGTH0.049 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
THREAD CLASS2B
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
NUT STYLECLINCH
THREAD DIRECTIONRIGHT-HAND
PILOT DIAMETER0.182 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
NUT DIAMETER0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
801-000-C0G0-150JInterchangeable
interchangeable cross-reference
interchangeable
561R10TCCQ15Interchangeable
interchangeable cross-reference
interchangeable
26324A795Interchangeable
interchangeable cross-reference
interchangeable
808149Interchangeable
interchangeable cross-reference
interchangeable
1000-18Interchangeable
interchangeable cross-reference
interchangeable
0915771Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-N-45938/1-9C?
MIL-N-45938/1-9C is a MIL-N-45938/1-9C.
What parts can replace MIL-N-45938/1-9C?
There are 23 known substitutes for MIL-N-45938/1-9C: 801-000-C0G0-150J, 561R10TCCQ15, 26324A795 and 20 more. Substitute compatibility should be verified for your specific system.
Is MIL-N-45938/1-9C still available?
MIL-N-45938/1-9C 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