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PartsTable / COMPONENT / W01
W01 ✓ 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

STRAP,TIE DOWN,ELECTRICAL COMPON. Key specifications include material: STEEL OVERALL, thickness: 0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN, hole_diameter: 0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN, overall_diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, special_features: 8INCH BLACK IN, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-186-0960, 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
W01
NSN: 5310-00-186-0960
FSC: 5310
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.011 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
hole_diameter0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
overall_diameter0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
special_features8INCH BLACK IN
component_quantity2
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
criticality_code_justificationZZZY
material_document_and_classificationQQ-B-611,COMP C-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-186-0960
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: W01 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
W0-1Interchangeable
interchangeable cross-reference
interchangeable
525-1Interchangeable
interchangeable cross-reference
interchangeable
611202Interchangeable
interchangeable cross-reference
interchangeable
711202Interchangeable
interchangeable cross-reference
interchangeable
13131-2PC8Interchangeable
interchangeable cross-reference
interchangeable
127681Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W01?
W01 is a STRAP,TIE DOWN,ELECTRICAL COMPON.
What parts can replace W01?
There are 22 known substitutes for W01: W0-1, 525-1, 611202 and 19 more. Substitute compatibility should be verified for your specific system.
Is W01 still available?
W01 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026