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Technical Data Sheet
PartsTable / COMPONENT / 6L3941-5-18
6L3941-5-18 ✓ 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 303 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 0.300 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN, pin_overall_diameter: 0.3000 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN, first_end_taper_angle: 25.0 DEGREES NOMINAL, first_end_taper_length: 0.010 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-054-4111, 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
6L3941-5-18
NSN: 5315-00-054-4111
FSC: 5315
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
first_end_styleCHAMFERED
pin_overall_length0.300 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
pin_overall_diameter0.3000 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN
first_end_taper_angle25.0 DEGREES NOMINAL
first_end_taper_length0.010 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-054-4111
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6L3941-5-18 · 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: 25.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.3000 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.300 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
FIRST END STYLE: CHAMFERED
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END TAPER LENGTH: 0.010 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.3000 INCHES MINIMUM AND 0.3240 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.300 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
FIRST END STYLECHAMFERED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END TAPER LENGTH0.010 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
45029Interchangeable
interchangeable cross-reference
interchangeable
D45029Interchangeable
interchangeable cross-reference
interchangeable
1400-0083Interchangeable
interchangeable cross-reference
interchangeable
27F750Interchangeable
interchangeable cross-reference
interchangeable
45030Interchangeable
interchangeable cross-reference
interchangeable
45029-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6L3941-5-18?
6L3941-5-18 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 6L3941-5-18?
There are 8 known substitutes for 6L3941-5-18: 45029, D45029, 1400-0083 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6L3941-5-18?
6L3941-5-18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-054-4111. 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