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PartsTable / COMPONENT / 3113AS3609-2
3113AS3609-2 ✓ 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 WASHER,RECESSED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.172 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: RECESSED, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.125 INCHES NOMINAL IN, material_document_and_classification: M-L-S-7720 MIL 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 5310-01-076-7224, 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
3113AS3609-2
NSN: 5310-01-076-7224
FSC: 5310
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
hole_diameter0.172 INCHES NOMINAL IN
outside_diameter0.375 INCHES NOMINAL IN
style_designatorRECESSED
surface_treatmentPASSIVATE OVERALL
material_thickness0.125 INCHES NOMINAL IN
material_document_and_classificationM-L-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-076-7224
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3113AS3609-2 · 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
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: M-L-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.172 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONM-L-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
HOLE DIAMETER0.172 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
A016529Interchangeable
interchangeable cross-reference
interchangeable
B153620Interchangeable
interchangeable cross-reference
interchangeable
3171Interchangeable
interchangeable cross-reference
interchangeable
8329796Interchangeable
interchangeable cross-reference
interchangeable
281-7184P1Interchangeable
interchangeable cross-reference
interchangeable
7-08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3113AS3609-2?
3113AS3609-2 is a WASHER,RECESSED.
What parts can replace 3113AS3609-2?
There are 19 known substitutes for 3113AS3609-2: A016529, B153620, 3171 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3113AS3609-2?
3113AS3609-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-076-7224. 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