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KC7972 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 OVERALL, first_end_style: SQUARE, surface_treatment: PHOSPHATE OVERALL, pin_overall_length: 1.062 INCHES NOMINAL IN, pin_overall_diameter: 0.1830 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN, material_document_and_classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-0184, 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
KC7972
NSN: 5315-00-276-0184
FSC: 5315
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1008 OVERALL
first_end_styleSQUARE
surface_treatmentPHOSPHATE OVERALL
pin_overall_length1.062 INCHES NOMINAL IN
pin_overall_diameter0.1830 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-276-0184
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KC7972 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: SQUARE
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1008 OVERALL
•
PIN OVERALL LENGTH: 1.062 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.1830 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLESQUARE
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1008 OVERALL
PIN OVERALL LENGTH1.062 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.1830 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
502-8136-102Interchangeable
interchangeable cross-reference
interchangeable
810B1Interchangeable
interchangeable cross-reference
interchangeable
6210002994099Interchangeable
interchangeable cross-reference
interchangeable
914427Interchangeable
interchangeable cross-reference
interchangeable
333514Interchangeable
interchangeable cross-reference
interchangeable
5999-03-L00-9499Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KC7972?
KC7972 is a PIN,STRAIGHT,HEADLESS.
What parts can replace KC7972?
There are 7 known substitutes for KC7972: 502-8136-102, 810B1, 6210002994099 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC7972?
KC7972 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-0184. 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