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PartsTable / COMPONENT / 950501-12
950501-12 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, hole_diameter: 0.098 INCHES NOMINAL IN, shoulder_height: 0.013 INCHES NOMINAL IN, outside_diameter: 0.250 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.190 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 5310-00-785-2011, 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
950501-12
NSN: 5310-00-785-2011
FSC: 5310
CAGE: 13973 — LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
hole_diameter0.098 INCHES NOMINAL IN
shoulder_height0.013 INCHES NOMINAL IN
outside_diameter0.250 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.190 INCHES NOMINAL IN
material_thickness0.045 INCHES NOMINAL IN
NSN5310-00-785-2011
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 950501-12 · 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 THICKNESS: 0.045 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL: PLASTIC OVERALL
•
HOLE DIAMETER: 0.098 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.013 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.045 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIALPLASTIC OVERALL
HOLE DIAMETER0.098 INCHES NOMINAL IN
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
SHOULDER HEIGHT0.013 INCHES NOMINAL IN
SHOULDER DIAMETER0.190 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
56078Interchangeable
interchangeable cross-reference
interchangeable
PL24Interchangeable
interchangeable cross-reference
interchangeable
7348248Interchangeable
interchangeable cross-reference
interchangeable
PTC248Interchangeable
interchangeable cross-reference
interchangeable
56080Interchangeable
interchangeable cross-reference
interchangeable
860197-200Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 950501-12?
950501-12 is a WASHER,SHOULDERED.
What parts can replace 950501-12?
There are 7 known substitutes for 950501-12: 56078, PL24, 7348248 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 950501-12?
950501-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-785-2011. 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