PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 218425
218425 ✓ 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 CLUTCH ASSEMBLY,FRICTION is a the manufacturer industrial component. Key specifications include special_features: PART OF THE WHOLE FAN CLUTCH NSN 2930-01-497-8497, part_name_assigned_by_controlling_agency: HEAD, FAN CLUTCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-186-1062, 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
218425
NSN: 5315-01-186-1062
FSC: 5315
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
special_featuresPART OF THE WHOLE FAN CLUTCH NSN 2930-01-497-8497
end_item_identificationDIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, PART NUMBER 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001.
part_name_assigned_by_controlling_agencyHEAD, FAN CLUTCH
NSN5315-01-186-1062
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 218425 · 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
•
PIN CHAMFER ANGLE: 15.0 DEGREES NOMINAL
•
HEIGHT: 0.030 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
•
PIN HEAD DIAMETER: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: EN2B FSCM 31361 MFR REF 1ST MATERIAL RESPONSE OR EN32M FSCM 31361 MFR REF 2ND MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
PIN CHAMFER ANGLE15.0 DEGREES NOMINAL
HEIGHT0.030 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HARDNESS RATING89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
PIN HEAD DIAMETER0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONEN2B FSCM 31361 MFR REF 1ST MATERIAL RESPONSE OR EN32M FSCM 31361 MFR REF 2ND MATERIAL RESPONSE OVERALL
DIAMETER0.184 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.110 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
15975Interchangeable
interchangeable cross-reference
interchangeable
218425Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 218425?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 218425?
218425 is a CLUTCH ASSEMBLY,FRICTION.
What parts can replace 218425?
There are 2 known substitutes for 218425: 15975, 218425. Substitute compatibility should be verified for your specific system.
What is the NSN for 218425?
218425 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-186-1062. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 218425

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026