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Technical Data Sheet
PartsTable / COMPONENT / 730-4405-17
730-4405-17 ✓ 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 403 OVERALL, first_end_style: SQUARE, surface_treatment: PASSIVATE OVERALL, pin_overall_length: 0.280 INCHES NOMINAL IN, pin_overall_diameter: 0.0624 INCHES MINIMUM AND 0.0626 INCHES MAXIMUM IN, material_document_and_classification: QQ-S-764 FED SPEC 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 5315-01-304-0881, 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
730-4405-17
NSN: 5315-01-304-0881
FSC: 5315
CAGE: 81579 — MASON ELECTRIC CO. DBA MASON CONTROLS (USA)
SPECIFICATIONS
materialSTEEL COMP 403 OVERALL
first_end_styleSQUARE
surface_treatmentPASSIVATE OVERALL
pin_overall_length0.280 INCHES NOMINAL IN
pin_overall_diameter0.0624 INCHES MINIMUM AND 0.0626 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQ9-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-304-0881
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 730-4405-17 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: Q9-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 403 OVERALL
•
PIN OVERALL LENGTH: 0.280 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FIRST END STYLE: SQUARE
•
PIN OVERALL DIAMETER: 0.0624 INCHES MINIMUM AND 0.0626 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQ9-P-35,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 403 OVERALL
PIN OVERALL LENGTH0.280 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
FIRST END STYLESQUARE
PIN OVERALL DIAMETER0.0624 INCHES MINIMUM AND 0.0626 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
A8-1Interchangeable
interchangeable cross-reference
interchangeable
A8-2Interchangeable
interchangeable cross-reference
interchangeable
C-5735Interchangeable
interchangeable cross-reference
interchangeable
683RH-1/4-3/8SInterchangeable
interchangeable cross-reference
interchangeable
00725665410079Interchangeable
interchangeable cross-reference
interchangeable
G8-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 730-4405-17?
730-4405-17 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 730-4405-17?
There are 17 known substitutes for 730-4405-17: A8-1, A8-2, C-5735 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 730-4405-17?
730-4405-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-304-0881. 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