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Technical Data Sheet
PartsTable / COMPONENT / NAS561-3-6
NAS561-3-6 ✓ 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: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, overall_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, shear_strength: 1000 DOUBLE POUND, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, special_features: BLACK OILED FINISH, style_designator: SLOTTED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-844-4789, 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
NAS561-3-6
NSN: 5315-00-844-4789
FSC: 5315
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
overall_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
shear_strength1000 DOUBLE POUND
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
special_featuresBLACK OILED FINISH
style_designatorSLOTTED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.022 INCHES NOMINAL IN
specification/standard_data80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-844-4789
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS561-3-6 · 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: QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL THICKNESS: 0.022 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
STYLE DESIGNATORSLOTTED
MATERIAL THICKNESS0.022 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
DIAMETER0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
SHEAR STRENGTH1000 DOUBLE POUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
59-022-094-0375Interchangeable
interchangeable cross-reference
interchangeable
NASM10971TYPE1COCOMPOSITIONAInterchangeable
interchangeable cross-reference
interchangeable
42P11692-10Interchangeable
interchangeable cross-reference
interchangeable
MS9048-067Interchangeable
interchangeable cross-reference
interchangeable
11008Interchangeable
interchangeable cross-reference
interchangeable
29-4551Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS561-3-6?
NAS561-3-6 is a PIN,SPRING.
What parts can replace NAS561-3-6?
There are 15 known substitutes for NAS561-3-6: 59-022-094-0375, NASM10971TYPE1COCOMPOSITIONA, 42P11692-10 and 12 more. Substitute compatibility should be verified for your specific system.
Is NAS561-3-6 still available?
NAS561-3-6 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