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Technical Data Sheet
PartsTable / COMPONENT / N53A-2540
N53A-2540 ✓ 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 303 OVERALL, surface_finish: 125.0 MICROINCHES OVERALL, first_end_style: SQUARE, surface_treatment: PASSIVATE OVERALL, pin_overall_length: 0.750 INCHES NOMINAL IN, pin_overall_diameter: 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM 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 5315-00-056-2434, 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
N53A-2540
NSN: 5315-00-056-2434
FSC: 5315
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
surface_finish125.0 MICROINCHES OVERALL
first_end_styleSQUARE
surface_treatmentPASSIVATE OVERALL
pin_overall_length0.750 INCHES NOMINAL IN
pin_overall_diameter0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-056-2434
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N53A-2540 · 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
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
FIRST END STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH125.0 MICROINCHES OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL DIAMETER0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
15-123Interchangeable
interchangeable cross-reference
interchangeable
QC8-2P0RM5PCTInterchangeable
interchangeable cross-reference
interchangeable
80785-1Interchangeable
interchangeable cross-reference
interchangeable
8698670Interchangeable
interchangeable cross-reference
interchangeable
580004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N53A-2540?
N53A-2540 is a PIN,STRAIGHT,HEADLESS.
What parts can replace N53A-2540?
There are 5 known substitutes for N53A-2540: 15-123, QC8-2P0RM5PCT, 80785-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N53A-2540?
N53A-2540 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-056-2434. 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