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Technical Data Sheet
A40880-1 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, overall_length: 0.375 INCHES NOMINAL IN, first_end_style: OVAL, style_designator: ONE HALF GROOVE, surface_treatment: PASSIVATE OVERALL, first_end_location: BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-043-9367, 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
A40880-1
NSN: 5315-01-043-9367
FSC: 5315
CAGE: 42498 — DAR ELECTRONICS INC DBA NATIONAL RADIO CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
overall_length0.375 INCHES NOMINAL IN
first_end_styleOVAL
style_designatorONE HALF GROOVE
surface_treatmentPASSIVATE OVERALL
first_end_locationBOTH ENDS
pin_large_end_diameter0.067 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
pin_small_end_diameter0.062 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-043-9367
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A40880-1 · 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
STYLE DESIGNATOR: ONE HALF GROOVE
MATERIAL: STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLE: OVAL
FIRST END LOCATION: BOTH ENDS
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
PIN LARGE END DIAMETER: 0.067 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
PIN SMALL END DIAMETER: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORONE HALF GROOVE
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLEOVAL
FIRST END LOCATIONBOTH ENDS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN LARGE END DIAMETER0.067 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
PIN SMALL END DIAMETER0.062 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL LENGTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
CH3Interchangeable
interchangeable cross-reference
interchangeable
5002Interchangeable
interchangeable cross-reference
interchangeable
154-00712Interchangeable
interchangeable cross-reference
interchangeable
AG3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A40880-1?
A40880-1 is a PIN,GROOVED,HEADLESS.
What parts can replace A40880-1?
There are 4 known substitutes for A40880-1: CH3, 5002, 154-00712 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A40880-1?
A40880-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-043-9367. This indicates validated use in U.S. government and defense supply chains.
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