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PartsTable / COMPONENT / NAS561S2-3
NAS561S2-3 ✓ 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,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, material: STEEL COMP 302 OVERALL, overall_length: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, style_designator: SLOTTED, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-291-5471, 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
NAS561S2-3
NSN: 5315-00-291-5471
FSC: 5315
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
materialSTEEL COMP 302 OVERALL
overall_length0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.012 INCHES NOMINAL IN
specification/standard_data80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-291-5471
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS561S2-3 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
ES1422-1DInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS3582Interchangeable
interchangeable cross-reference
interchangeable
MS9068-006Interchangeable
interchangeable cross-reference
interchangeable
116776Interchangeable
interchangeable cross-reference
interchangeable
3L02X1AInterchangeable
interchangeable cross-reference
interchangeable
3323089 PIECE 1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS561S2-3?
NAS561S2-3 is a PIN,SPRING.
What parts can replace NAS561S2-3?
There are 30 known substitutes for NAS561S2-3: ES1422-1D, SAE-AS3582, MS9068-006 and 27 more. Substitute compatibility should be verified for your specific system.
Is NAS561S2-3 still available?
NAS561S2-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026