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Technical Data Sheet
PartsTable / COMPONENT / 23728-1-42
23728-1-42 ✓ 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 WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, hole_diameter: 0.141 INCHES NOMINAL IN, shoulder_height: 0.030 INCHES NOMINAL IN, outside_diameter: 0.322 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.225 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 5310-00-873-7094, 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
23728-1-42
NSN: 5310-00-873-7094
FSC: 5310
CAGE: 12745 — WESTAMP INC (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
hole_diameter0.141 INCHES NOMINAL IN
shoulder_height0.030 INCHES NOMINAL IN
outside_diameter0.322 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.225 INCHES NOMINAL IN
material_thickness0.051 INCHES NOMINAL IN
NSN5310-00-873-7094
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 23728-1-42 · 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
•
HOLE DIAMETER: 0.141 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.322 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL: PLASTIC OVERALL
•
SHOULDER HEIGHT: 0.030 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.225 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.141 INCHES NOMINAL IN
OUTSIDE DIAMETER0.322 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIALPLASTIC OVERALL
SHOULDER HEIGHT0.030 INCHES NOMINAL IN
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
SHOULDER DIAMETER0.225 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
23756Interchangeable
interchangeable cross-reference
interchangeable
8519ITEM6Interchangeable
interchangeable cross-reference
interchangeable
237.56Interchangeable
interchangeable cross-reference
interchangeable
98-2182Interchangeable
interchangeable cross-reference
interchangeable
5310008737094Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23728-1-42?
23728-1-42 is a WASHER,SHOULDERED.
What parts can replace 23728-1-42?
There are 5 known substitutes for 23728-1-42: 23756, 8519ITEM6, 237.56 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23728-1-42?
23728-1-42 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-873-7094. 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