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Technical Data Sheet
PartsTable / COMPONENT / M45938/1-16C
M45938/1-16C ✓ 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 M45938/1-16C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-067-3409, 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
M45938/1-16C
NSN: 5310-01-067-3409
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45938/1-16C
NSN5310-01-067-3409
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45938/1-16C · 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 HEIGHT: 0.128 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
•
THREAD CLASS: 2B
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.128 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
THREAD CLASS2B
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIESUNF
THREAD QUANTITY PER INCH32
NOMINAL THREAD SIZE0.190 INCHES IN
NUT DIAMETER0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1000117Interchangeable
interchangeable cross-reference
interchangeable
AN/UYQ-13(V)4Interchangeable
interchangeable cross-reference
interchangeable
BPW-6D24VDCInterchangeable
interchangeable cross-reference
interchangeable
MIL-N-45938/11Interchangeable
interchangeable cross-reference
interchangeable
M45938/11-6CInterchangeable
interchangeable cross-reference
interchangeable
10040004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45938/1-16C?
M45938/1-16C is a M45938/1-16C.
What parts can replace M45938/1-16C?
There are 12 known substitutes for M45938/1-16C: 1000117, AN/UYQ-13(V)4, BPW-6D24VDC and 9 more. Substitute compatibility should be verified for your specific system.
Is M45938/1-16C still available?
M45938/1-16C 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