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PartsTable / COMPONENT / W01CRESAISI304
W01CRESAISI304 ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 0.484 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN, outside_diameter: 0.719 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.042 INCHES NOMINAL IN, external_prebent_key_width: 0.115 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 5310-00-559-9208, 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
W01CRESAISI304
NSN: 5310-00-559-9208
FSC: 5310
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter0.484 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
outside_diameter0.719 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.042 INCHES NOMINAL IN
external_key_quantity9
external_prebent_key_width0.115 INCHES NOMINAL IN
internal_prebent_key_width0.109 INCHES NOMINAL IN
internal_prebent_key_length0.062 INCHES NOMINAL IN
overall_distance_including_keys1.016 INCHES NOMINAL IN
material_document_and_classification-AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-559-9208
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W01CRESAISI304 · 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
•
OUTSIDE DIAMETER: 0.719 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY WIDTH: 0.115 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.109 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.042 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.016 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
INTERNAL PREBENT KEY LENGTH: 0.062 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 304 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.719 INCHES NOMINAL IN
EXTERNAL PREBENT KEY WIDTH0.115 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.109 INCHES NOMINAL IN
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS1.016 INCHES NOMINAL IN
STYLE DESIGNATORKEY
INTERNAL PREBENT KEY LENGTH0.062 INCHES NOMINAL IN
MATERIALSTEEL COMP 304 OVERALL
HOLE DIAMETER0.484 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY9
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
W01Interchangeable
interchangeable cross-reference
interchangeable
P14C4796-2Interchangeable
interchangeable cross-reference
interchangeable
0127-2Interchangeable
interchangeable cross-reference
interchangeable
G210566-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W01CRESAISI304?
W01CRESAISI304 is a WASHER,KEY.
What parts can replace W01CRESAISI304?
There are 4 known substitutes for W01CRESAISI304: W01, P14C4796-2, 0127-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W01CRESAISI304?
W01CRESAISI304 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-559-9208. 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