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303950 ✓ 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 303950 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.719 INCHES NOMINAL IN, overall_height: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, outside_diameter: 1.000 INCHES NOMINAL IN, surface_treatment: PAINT OVERALL, material_thickness: 0.030 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-3697, 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
303950
NSN: 5310-00-198-3697
FSC: 5310
CAGE: 31568 — TEXTRON INC JACOBSEN DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.719 INCHES NOMINAL IN
overall_height0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
outside_diameter1.000 INCHES NOMINAL IN
surface_treatmentPAINT OVERALL
material_thickness0.030 INCHES NOMINAL IN
NSN5310-00-198-3697
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 303950 · 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 OVERALL
•
SURFACE TREATMENT: PAINT OVERALL
•
HOLE DIAMETER: 0.719 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTPAINT OVERALL
HOLE DIAMETER0.719 INCHES NOMINAL IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
OVERALL HEIGHT0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
303950Interchangeable
interchangeable cross-reference
interchangeable
03950Interchangeable
interchangeable cross-reference
interchangeable
09437-00Interchangeable
interchangeable cross-reference
interchangeable
NAVY 1993 2025Interchangeable
interchangeable cross-reference
interchangeable
NAVY 1993 2029Interchangeable
interchangeable cross-reference
interchangeable
LLH375146Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 303950?
303950 is a 303950.
What parts can replace 303950?
There are 14 known substitutes for 303950: 303950, 03950, 09437-00 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 303950?
303950 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-3697. 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