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Technical Data Sheet
PartsTable / COMPONENT / M45938/1-11A
M45938/1-11A ✓ 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 M45938/1-11A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-8128, 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
M45938/1-11A
NSN: 5310-00-596-8128
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45938/1-11A
NSN5310-00-596-8128
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/1-11A · 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 DIAMETER: 0.212 INCHES NOMINAL IN
•
PILOT LENGTH: 0.054 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: CLINCH
TECHNICAL CHARACTERISTICS (FLIS)
PILOT DIAMETER0.212 INCHES NOMINAL IN
PILOT LENGTH0.054 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
NUT STYLECLINCH
NUT HEIGHT0.147 INCHES NOMINAL IN
NUT DIAMETER0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
F162K36517Interchangeable
interchangeable cross-reference
interchangeable
37055Interchangeable
interchangeable cross-reference
interchangeable
09-37055Interchangeable
interchangeable cross-reference
interchangeable
99015Interchangeable
interchangeable cross-reference
interchangeable
UL 1449Interchangeable
interchangeable cross-reference
interchangeable
CLA-632-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/1-11A?
M45938/1-11A is a M45938/1-11A.
What parts can replace M45938/1-11A?
There are 9 known substitutes for M45938/1-11A: F162K36517, 37055, 09-37055 and 6 more. Substitute compatibility should be verified for your specific system.
Is M45938/1-11A still available?
M45938/1-11A 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