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Technical Data Sheet
PartsTable / COMPONENT / 3-8INX3-4INLG
3-8INX3-4INLG ✓ 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,TOGGLE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-982-1914, 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
3-8INX3-4INLG
NSN: 5315-00-982-1914
FSC: 5315
CAGE: 74427 — WEBER-KNAPP COMPANY DBA WEBER-KNAPP (USA)
SPECIFICATIONS
Part Number3-8INX3-4INLG
NSN5315-00-982-1914
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3-8INX3-4INLG · 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 18
3-641Interchangeable
interchangeable cross-reference
interchangeable
115-949Interchangeable
interchangeable cross-reference
interchangeable
48285Interchangeable
interchangeable cross-reference
interchangeable
647592-2Interchangeable
interchangeable cross-reference
interchangeable
MM-2TCInterchangeable
interchangeable cross-reference
interchangeable
LS-211/UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-8INX3-4INLG?
3-8INX3-4INLG is a PIN,TOGGLE.
What parts can replace 3-8INX3-4INLG?
There are 18 known substitutes for 3-8INX3-4INLG: 3-641, 115-949, 48285 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-8INX3-4INLG?
3-8INX3-4INLG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-982-1914. 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