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PartsTable / COMPONENT / 146373PC47
146373PC47 ✓ 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 430 OVERALL, thickness: 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN, hole_diameter: 0.128 INCHES NOMINAL IN, overall_diameter: 0.312 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-274-8768, 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
146373PC47
NSN: 5310-00-274-8768
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
thickness0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
hole_diameter0.128 INCHES NOMINAL IN
overall_diameter0.312 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-274-8768
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 146373PC47 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 430 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.312 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.128 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THICKNESS: 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIALSTEEL COMP 430 OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.312 INCHES NOMINAL IN
HOLE DIAMETER0.128 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
MS9321-05Interchangeable
interchangeable cross-reference
interchangeable
218322Interchangeable
interchangeable cross-reference
interchangeable
5310PL0150185Interchangeable
Same NIIN cross-reference
interchangeable
146374PC47Interchangeable
Same NIIN cross-reference
interchangeable
934A853P1Interchangeable
Same NIIN cross-reference
interchangeable
146374PC3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 146373PC47?
146373PC47 is a WASHER,FLAT.
What parts can replace 146373PC47?
There are 7 known substitutes for 146373PC47: MS9321-05, 218322, 5310PL0150185 and 4 more. Substitute compatibility should be verified for your specific system.
Is 146373PC47 still available?
146373PC47 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