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PartsTable / COMPONENT / 414908PC21
414908PC21 ✓ 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 CORROSION RESISTING OVERALL, hole_diameter: 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN, outside_diameter: 0.875 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.135 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 5310-00-184-9137, 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
414908PC21
NSN: 5310-00-184-9137
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
outside_diameter0.875 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.135 INCHES NOMINAL IN
NSN5310-00-184-9137
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 414908PC21 · 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 CORROSION RESISTING OVERALL
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.135 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING OVERALL
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.135 INCHES NOMINAL IN
HOLE DIAMETER0.636 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
FF-W-84AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 414908PC21?
414908PC21 is a WASHER,LOCK.
What parts can replace 414908PC21?
There is 1 known substitute for 414908PC21: FF-W-84A. Substitute compatibility should be verified for your specific system.
What is the NSN for 414908PC21?
414908PC21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-184-9137. 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