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PartsTable / COMPONENT / AN415-1-4
AN415-1-4 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, prong_length: 4.000 INCHES NOMINAL IN, opening_width: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, style_designator: LOCK, wire_stock_diameter: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, material_document_and_classification: QQ-W-423 COND B 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 5315-00-221-0411, 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
AN415-1-4
NSN: 5315-00-221-0411
FSC: 5315
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
prong_length4.000 INCHES NOMINAL IN
opening_width0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
style_designatorLOCK
wire_stock_diameter0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
material_document_and_classificationQQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-221-0411
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN415-1-4 · 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
•
PRONG LENGTH: 4.000 INCHES NOMINAL IN
•
OPENING WIDTH: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
WIRE STOCK DIAMETER: 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LOCK
•
MATERIAL: STEEL COMP 316 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PRONG LENGTH4.000 INCHES NOMINAL IN
OPENING WIDTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
WIRE STOCK DIAMETER0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
STYLE DESIGNATORLOCK
MATERIALSTEEL COMP 316 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
AN415-1-7Interchangeable
interchangeable cross-reference
interchangeable
A-A-55487-1-7Interchangeable
interchangeable cross-reference
interchangeable
A-A-55487Interchangeable
interchangeable cross-reference
interchangeable
AA55487-6Interchangeable
interchangeable cross-reference
interchangeable
AN 415-6Interchangeable
interchangeable cross-reference
interchangeable
AA55487-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN415-1-4?
AN415-1-4 is a PIN,LOCK.
What parts can replace AN415-1-4?
There are 9 known substitutes for AN415-1-4: AN415-1-7, A-A-55487-1-7, A-A-55487 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN415-1-4?
AN415-1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-221-0411. 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