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PartsTable / COMPONENT / 21511066
21511066 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include special_features: STRAIGHT DOWEL, GEAR AND SHAFT TO DAMPER, pin_overall_length: 1.750 INCHES NOMINAL IN, pin_overall_diameter: 0.5000 INCHES NOMINAL IN, end_item_identification: ALCO 251 DIESEL ENGINE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-786-6358, 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
21511066
NSN: 5315-00-786-6358
FSC: 5315
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresSTRAIGHT DOWEL, GEAR AND SHAFT TO DAMPER
pin_overall_length1.750 INCHES NOMINAL IN
pin_overall_diameter0.5000 INCHES NOMINAL IN
end_item_identificationALCO 251 DIESEL ENGINE
NSN5315-00-786-6358
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21511066 · 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
•
FIRST END TAPER ANGLE: 7.0 DEGREES NOMINAL
•
MATERIAL: STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
SECOND END CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.5001 INCHES MINIMUM AND 0.5003 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
SECOND END STYLE: RADIUS
•
FIRST END TAPER LENGTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE7.0 DEGREES NOMINAL
MATERIALSTEEL COMP 1018 OR STEEL COMP 1020 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
SECOND END CORNER RADIUS0.125 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.5001 INCHES MINIMUM AND 0.5003 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
SECOND END STYLERADIUS
FIRST END TAPER LENGTH0.125 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
PIN OVERALL LENGTH1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5000S4824F1385602-10INPC22TFNABSInterchangeable
interchangeable cross-reference
interchangeable
10595Interchangeable
interchangeable cross-reference
interchangeable
SL5714PC33-35-374Interchangeable
interchangeable cross-reference
interchangeable
SL5717PC33-35-374Interchangeable
interchangeable cross-reference
interchangeable
162PInterchangeable
interchangeable cross-reference
interchangeable
C08870Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21511066?
21511066 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 21511066?
There are 18 known substitutes for 21511066: 5000S4824F1385602-10INPC22TFNABS, 10595, SL5714PC33-35-374 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21511066?
21511066 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-786-6358. 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