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Technical Data Sheet
PartsTable / COMPONENT / 7402858
7402858 ✓ 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 RING,PISTON is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, ring_style: CONCENTRIC, overall_width: 0.1160 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN, radial_wall_thickness: 0.0930 INCHES NOMINAL IN, cross-sectional_shape_style: PLAIN RECTANGULAR, STRAIGHT FACE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-351-0698, 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
7402858
NSN: 5310-00-351-0698
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
ring_styleCONCENTRIC
overall_width0.1160 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN
radial_wall_thickness0.0930 INCHES NOMINAL IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5310-00-351-0698
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7402858 · 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
•
MATERIAL: STEEL COMP 4150 OVERALL
•
THICKNESS: 0.0509 INCHES MINIMUM AND 0.0567 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 4150 OVERALL
THICKNESS0.0509 INCHES MINIMUM AND 0.0567 INCHES MAXIMUM IN
OVERALL DIAMETER0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.188 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
B3728Interchangeable
interchangeable cross-reference
interchangeable
72032PC21Interchangeable
interchangeable cross-reference
interchangeable
5717Interchangeable
IBM Adapter 4-Port 10/100/1000 Base-Tx
interchangeable
GE4327-9Interchangeable
interchangeable cross-reference
interchangeable
GED 0531Interchangeable
interchangeable cross-reference
interchangeable
AFB40272Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7402858?
7402858 is a RING,PISTON.
What parts can replace 7402858?
There are 14 known substitutes for 7402858: B3728, 72032PC21, 5717 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7402858?
7402858 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-351-0698. 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