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PartsTable / COMPONENT / 13211E3109
13211E3109 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 4.496 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN, material: STEEL COMP 4340 OVERALL, overall_length: 6.350 INCHES MINIMUM AND 6.410 INCHES MAXIMUM IN, shear_strength: 140000 SINGLE POUNDS PER SQUARE INCH, undercut_width: 1.200 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, first_end_style: CHAMFERED AND COUNTERBORED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-120-8489, 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
13211E3109
NSN: 5315-01-120-8489
FSC: 5315
CAGE: 97403 — CECOM LR CENTER (USA)
SPECIFICATIONS
diameter4.496 INCHES MINIMUM AND 4.498 INCHES MAXIMUM IN
materialSTEEL COMP 4340 OVERALL
overall_length6.350 INCHES MINIMUM AND 6.410 INCHES MAXIMUM IN
shear_strength140000 SINGLE POUNDS PER SQUARE INCH
undercut_width1.200 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
first_end_styleCHAMFERED AND COUNTERBORED
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
effective_length5.090 INCHES MINIMUM AND 5.150 INCHES MAXIMUM IN
style_designatorGROOVE
undercut_diameter4.304 INCHES MINIMUM AND 4.316 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
first_end_taper_angle45.0 DEGREES NOMINAL
NSN5315-01-120-8489
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13211E3109 · 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 COUNTERBORE DEPTH: 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 4.304 INCHES MINIMUM AND 4.316 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL COMP 4340 OVERALL
•
SECOND END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
SHEAR STRENGTH: 140000 SINGLE POUNDS PER SQUARE INCH
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END COUNTERBORE DEPTH0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
OVERALL LENGTH6.350 INCHES MINIMUM AND 6.410 INCHES MAXIMUM IN
UNDERCUT DIAMETER4.304 INCHES MINIMUM AND 4.316 INCHES MAXIMUM IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
MATERIALSTEEL COMP 4340 OVERALL
SECOND END TAPER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
SHEAR STRENGTH140000 SINGLE POUNDS PER SQUARE INCH
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END COUNTERBORE DIAMETER0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
150155Interchangeable
interchangeable cross-reference
interchangeable
B118AInterchangeable
interchangeable cross-reference
interchangeable
124553Interchangeable
interchangeable cross-reference
interchangeable
3109Interchangeable
interchangeable cross-reference
interchangeable
3637Interchangeable
interchangeable cross-reference
interchangeable
294P11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 13211E3109?
13211E3109 is a PIN,GROOVED,HEADLESS.
What parts can replace 13211E3109?
There are 18 known substitutes for 13211E3109: 150155, B118A, 124553 and 15 more. Substitute compatibility should be verified for your specific system.
Is 13211E3109 still available?
13211E3109 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