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PartsTable / COMPONENT / 15A00404-0000 ITEM NO 99
15A00404-0000 ITEM NO 99 ✓ 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 material: STEEL COMP 316 OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, outside_diameter: 0.296 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-389-6984, 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
15A00404-0000 ITEM NO 99
NSN: 5310-01-389-6984
FSC: 5310
CAGE: 01425 — LOUIS ALLIS CO THE THIS COMPANY HAS GONE BANKRUPT AND HAS BEEN PURCHASED BY 3 COMPANIES (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter0.296 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE OVERALL
material_thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
NSN5310-01-389-6984
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 15A00404-0000 ITEM NO 99 · 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: SPLIT HELICAL-RIGHT HAND
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 316 OVERALL
•
OUTSIDE DIAMETER: 0.296 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 316 OVERALL
OUTSIDE DIAMETER0.296 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
ASME B18.2.1Interchangeable
interchangeable cross-reference
interchangeable
18257-001Interchangeable
interchangeable cross-reference
interchangeable
D305308 FIND NO 107Interchangeable
interchangeable cross-reference
interchangeable
503B1-36Interchangeable
interchangeable cross-reference
interchangeable
1307320PC48Interchangeable
interchangeable cross-reference
interchangeable
236-1150P4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15A00404-0000 ITEM NO 99?
15A00404-0000 ITEM NO 99 is a WASHER,LOCK.
What parts can replace 15A00404-0000 ITEM NO 99?
There are 18 known substitutes for 15A00404-0000 ITEM NO 99: ASME B18.2.1, 18257-001, D305308 FIND NO 107 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15A00404-0000 ITEM NO 99?
15A00404-0000 ITEM NO 99 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-389-6984. 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