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Technical Data Sheet
PartsTable / COMPONENT / 142521
142521 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, body_style: STRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF, shell_type: SOLID, body_length: 3.013 INCHES MAXIMUM IN, thread_class: 2B, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-014-2521, 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
142521
NSN: 5315-00-014-2521
FSC: 5315
CAGE: 29930 — INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV (USA)
SPECIFICATIONS
materialPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING W/STRAIN RELIEF
shell_typeSOLID
body_length3.013 INCHES MAXIMUM IN
thread_class2B
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
shell_materialALUMINUM ALLOY
first_end_styleOVAL
insert_materialRUBBER SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
outside_diameter5.115 INCHES MINIMUM AND 5.125 INCHES MAXIMUM IN
NSN5315-00-014-2521
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 142521 · 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
•
FIRST END OUTER RADIUS: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
PIN LARGE END DIAMETER: 0.261 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END LOCATION: BOTH ENDS
•
PIN SMALL END DIAMETER: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FULL LENGTH GROOVE
•
MATERIAL: STEEL COMP 1112 OR STEEL COMP 1113 OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END OUTER RADIUS0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
PIN LARGE END DIAMETER0.261 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END LOCATIONBOTH ENDS
PIN SMALL END DIAMETER0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STYLE DESIGNATORFULL LENGTH GROOVE
MATERIALSTEEL COMP 1112 OR STEEL COMP 1113 OVERALL
SURFACE TREATMENTZINC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
14252-1Interchangeable
interchangeable cross-reference
interchangeable
33720Interchangeable
interchangeable cross-reference
interchangeable
861793Interchangeable
interchangeable cross-reference
interchangeable
10015466-528Interchangeable
interchangeable cross-reference
interchangeable
10-072628-15PInterchangeable
interchangeable cross-reference
interchangeable
359084Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142521?
142521 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 142521?
There are 10 known substitutes for 142521: 14252-1, 33720, 861793 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 142521?
142521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-014-2521. 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