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PartsTable / COMPONENT / 16-801
16-801 ✓ 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 TRANSFORMER,POWER is a Legrand industrial component. Key specifications include shape: ROUND TAPERED, diameter: 4.0 MILLIMETERS MM, material: STEEL CASE, thickness: 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN, case_style: SQUARE, seal_width: 0.500 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 5310-00-075-1584, 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
16-801
NSN: 5310-00-075-1584
FSC: 5310
CAGE: 03476 — TEREX REEDRILL DBA REEDRILL TEXOMA DIV TEREX MINING (USA)
SPECIFICATIONS
shapeROUND TAPERED
diameter4.0 MILLIMETERS MM
materialSTEEL CASE
thickness0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
body_length0.450 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hole_diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width7.500 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length150.0 MILLIMETERS NOMINAL MM
NSN5310-00-075-1584
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 16-801 · 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
•
WIDTH ACROSS FLATS: 1.000 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.640 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
MATERIAL: COPPER ALLOY OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND W/FLATS
•
HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS1.000 INCHES NOMINAL IN
OVERALL DIAMETER1.640 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE FINISH63.0 MICROINCHES BOTTOM
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND W/FLATS
HOLE DIAMETER0.125 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
16-801Interchangeable
interchangeable cross-reference
interchangeable
5380319Interchangeable
interchangeable cross-reference
interchangeable
TW63638Interchangeable
interchangeable cross-reference
interchangeable
564175Interchangeable
interchangeable cross-reference
interchangeable
48135-BAInterchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16-801?
16-801 is a TRANSFORMER,POWER manufactured by Legrand.
What parts can replace 16-801?
There are 15 known substitutes for 16-801: 16-801, 5380319, TW63638 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16-801?
16-801 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-075-1584. 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