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21511012 ✓ 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 310 OR STEEL COMP W310 OR STEEL COMP M1 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN, pin_overall_diameter: 0.2465 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.016 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-014-1195, 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
21511012
NSN: 5315-00-014-1195
FSC: 5315
CAGE: 50024 — COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO (USA)
SPECIFICATIONS
materialSTEEL COMP 310 OR STEEL COMP W310 OR STEEL COMP M1 OVERALL
first_end_styleCHAMFERED
pin_overall_length0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
pin_overall_diameter0.2465 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-014-1195
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21511012 · 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 DIAMETER: 0.2465 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL COMP 310 OR STEEL COMP W310 OR STEEL COMP M1 OVERALL
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL LENGTH: 0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER0.2465 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL COMP 310 OR STEEL COMP W310 OR STEEL COMP M1 OVERALL
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
FIRST END STYLECHAMFERED
PIN OVERALL LENGTH0.613 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
6135-50-100-0460Interchangeable
interchangeable cross-reference
interchangeable
W30Interchangeable
interchangeable cross-reference
interchangeable
W30BPInterchangeable
interchangeable cross-reference
interchangeable
9-2-28Interchangeable
interchangeable cross-reference
interchangeable
AN3058-28Interchangeable
interchangeable cross-reference
interchangeable
68-585Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21511012?
21511012 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 21511012?
There are 21 known substitutes for 21511012: 6135-50-100-0460, W30, W30BP and 18 more. Substitute compatibility should be verified for your specific system.
Is 21511012 still available?
21511012 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