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PartsTable / COMPONENT / M146-107
M146-107 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.027 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN, hole_diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, overall_diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-540-8119, 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
M146-107
NSN: 5310-00-540-8119
FSC: 5310
CAGE: 54418 — MILTOPE CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
thickness0.027 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN
hole_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
overall_diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-540-8119
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M146-107 · 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 DOCUMENT AND CLASSIFICATION: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
THICKNESS: 0.027 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
THICKNESS0.027 INCHES MINIMUM AND 0.048 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
HOLE DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5310PL0730310Interchangeable
interchangeable cross-reference
interchangeable
5310PL1849343Interchangeable
interchangeable cross-reference
interchangeable
ASC1538391Interchangeable
interchangeable cross-reference
interchangeable
943612Interchangeable
interchangeable cross-reference
interchangeable
1705532Interchangeable
interchangeable cross-reference
interchangeable
MS15795-305Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M146-107?
M146-107 is a WASHER,FLAT.
What parts can replace M146-107?
There are 7 known substitutes for M146-107: 5310PL0730310, 5310PL1849343, ASC1538391 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M146-107?
M146-107 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-540-8119. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026