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Technical Data Sheet
371-79 ✓ Verified by PartsTable
Legrand · 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 BRUSH,ELECTRICAL CONTACT is a Legrand industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, length: 1.563 INCHES NOMINAL IN, material: SILVER GRAPHITE, thickness: 0.750 INCHES NOMINAL IN, top_style: FLAT, body_style: RECTANGULAR SLIP RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-7657, 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
371-79
NSN: 5315-00-276-7657
FSC: 5315
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
length1.563 INCHES NOMINAL IN
materialSILVER GRAPHITE
thickness0.750 INCHES NOMINAL IN
top_styleFLAT
body_styleRECTANGULAR SLIP RING
body_width1.500 INCHES MAXIMUM IN
body_height2.000 INCHES MAXIMUM IN
body_length2.375 INCHES MAXIMUM IN
shank_length0.688 INCHES NOMINAL IN
overall_width1.938 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
NSN5315-00-276-7657
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 371-79 · Legrand ⚠ 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
STYLE DESIGNATOR: SHOULDER
SHANK DIAMETER: 0.7159 INCHES MINIMUM AND 0.7160 INCHES MAXIMUM IN
FIRST END LOCATION: BOTH ENDS
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
MATERIAL: STEEL COMP 4615 OVERALL
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSHOULDER
SHANK DIAMETER0.7159 INCHES MINIMUM AND 0.7160 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
OVERALL LENGTH2.625 INCHES NOMINAL IN
MATERIALSTEEL COMP 4615 OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SHOULDER DIAMETER0.7180 INCHES MINIMUM AND 0.7183 INCHES MAXIMUM IN
SHANK LENGTH0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
371-79Interchangeable
interchangeable cross-reference
interchangeable
01-020300Interchangeable
interchangeable cross-reference
interchangeable
01191200Interchangeable
interchangeable cross-reference
interchangeable
PEI6484Interchangeable
interchangeable cross-reference
interchangeable
672-0188-00Interchangeable
interchangeable cross-reference
interchangeable
630-1866PC2-4-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 371-79?
371-79 is a BRUSH,ELECTRICAL CONTACT manufactured by Legrand.
What parts can replace 371-79?
There are 9 known substitutes for 371-79: 371-79, 01-020300, 01191200 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 371-79?
371-79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-7657. This indicates validated use in U.S. government and defense supply chains.
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