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3400149 ✓ 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 LANYARD,SAFETY,INDUSTRIAL is a the manufacturer industrial component. Key specifications include special_features: 1/4 IN. (6MM) VECTRAN SYNTHETIC ROPE W/SWIVEL SNAP HOOK MM, end_item_identification: LLH0B2633, part_name_assigned_by_controlling_agency: SELF-RETRACTING LIFELINE.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-763-8901, 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
3400149
NSN: 5310-00-763-8901
FSC: 5310
CAGE: 98171 — LEAR SIEGLER TRUCK PRODUCTS CORP NEWAY DIV (USA)
SPECIFICATIONS
special_features1/4 IN. (6MM) VECTRAN SYNTHETIC ROPE W/SWIVEL SNAP HOOK MM
end_item_identificationLLH0B2633
part_name_assigned_by_controlling_agencySELF-RETRACTING LIFELINE
NSN5310-00-763-8901
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3400149 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
1913Interchangeable
interchangeable cross-reference
interchangeable
S6835Interchangeable
interchangeable cross-reference
interchangeable
323-94Interchangeable
interchangeable cross-reference
interchangeable
10163081Interchangeable
interchangeable cross-reference
interchangeable
69833Interchangeable
interchangeable cross-reference
interchangeable
011-1711Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3400149?
3400149 is a LANYARD,SAFETY,INDUSTRIAL.
What parts can replace 3400149?
There are 25 known substitutes for 3400149: 1913, S6835, 323-94 and 22 more. Substitute compatibility should be verified for your specific system.
Is 3400149 still available?
3400149 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