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Technical Data Sheet
PartsTable / COMPONENT / P18220
P18220 ✓ 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 material: STEEL COMP E52100 OVERALL, first_end_style: CHAMFERED, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL, pin_overall_length: 1.1675 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN, pin_overall_diameter: 0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-352-6005, 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
P18220
NSN: 5315-00-352-6005
FSC: 5315
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
first_end_styleCHAMFERED
hardness_rating60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
pin_overall_length1.1675 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
pin_overall_diameter0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.310 INCHES NOMINAL IN
material_document_and_classificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-352-6005
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P18220 · 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 OVERALL LENGTH: 1.1675 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL DIAMETER: 0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END TAPER LENGTH: 0.310 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH1.1675 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLECHAMFERED
PIN OVERALL DIAMETER0.1873 INCHES MINIMUM AND 0.1876 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END TAPER LENGTH0.310 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2019916Interchangeable
interchangeable cross-reference
interchangeable
01770-0056Interchangeable
interchangeable cross-reference
interchangeable
201089Interchangeable
interchangeable cross-reference
interchangeable
201089-4Interchangeable
interchangeable cross-reference
interchangeable
201089-1Interchangeable
interchangeable cross-reference
interchangeable
65345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P18220?
P18220 is a PIN,STRAIGHT,HEADLESS.
What parts can replace P18220?
There are 11 known substitutes for P18220: 2019916, 01770-0056, 201089 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P18220?
P18220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-352-6005. 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