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Technical Data Sheet
PartsTable / COMPONENT / 560418
560418 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: FIBER OVERALL, body_width: 1.750 INCHES NOMINAL IN, body_height: 2.438 INCHES NOMINAL IN, body_length: 1.875 INCHES NOMINAL IN, hole_diameter: 0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-566-0875, 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
560418
NSN: 5310-00-566-0875
FSC: 5310
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialFIBER OVERALL
body_width1.750 INCHES NOMINAL IN
body_height2.438 INCHES NOMINAL IN
body_length1.875 INCHES NOMINAL IN
hole_diameter0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
hardness_rating50.0 ROCKWELL R MINIMUM
mounting_methodTHREADED STUD(S) SINGLE GROUP
shoulder_height0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
frequency_rating500.0 HERTZ MINIMUM AND 14.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
outside_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
style_designatorSHOULDERED
NSN5310-00-566-0875
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 560418 · 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 DOCUMENT AND CLASSIFICATION: MIL-F-1148,GR CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MATERIAL: FIBER OVERALL
•
MATERIAL THICKNESS: 0.011 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
SHOULDER HEIGHT: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 ROCKWELL R MINIMUM
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-1148,GR CH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SHOULDER DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MATERIALFIBER OVERALL
MATERIAL THICKNESS0.011 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
HOLE DIAMETER0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
SHOULDER HEIGHT0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL R MINIMUM
STYLE DESIGNATORSHOULDERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
560418Interchangeable
interchangeable cross-reference
interchangeable
860197-103Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 560418?
560418 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 560418?
There are 2 known substitutes for 560418: 560418, 860197-103. Substitute compatibility should be verified for your specific system.
What is the NSN for 560418?
560418 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-566-0875. 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