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N403P13 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, outside_diameter: 0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: CADMIUM OR ZINC OVERALL, material_thickness: 0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN, nondefinitive_spec/std_data: B TYPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-514-6738, 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
N403P13
NSN: 5310-00-514-6738
FSC: 5310
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
hole_diameter0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
outside_diameter0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL TEETH
surface_treatmentCADMIUM OR ZINC OVERALL
material_thickness0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
nondefinitive_spec/std_dataB TYPE
NSN5310-00-514-6738
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N403P13 · 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
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: B TYPE
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT EXTERNAL TEETH
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
MATERIAL THICKNESS0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.305 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAB TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
373-5020-000Interchangeable
interchangeable cross-reference
interchangeable
A02157-103Interchangeable
interchangeable cross-reference
interchangeable
105086-505Interchangeable
interchangeable cross-reference
interchangeable
1106Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N403P13?
N403P13 is a WASHER,LOCK.
What parts can replace N403P13?
There are 4 known substitutes for N403P13: 373-5020-000, A02157-103, 105086-505 and 1 more. Substitute compatibility should be verified for your specific system.
Is N403P13 still available?
N403P13 is currently cancelled.
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Last verified: July 2026