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PartsTable / COMPONENT / NAS561C3-4
NAS561C3-4 ✓ 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,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.094 INCHES NOMINAL IN, material: STEEL COMP 410 OVERALL, overall_length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, shear_strength: 1000 DOUBLE POUND, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, hardness_rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-058-9727, 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
NAS561C3-4
NSN: 5315-00-058-9727
FSC: 5315
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.094 INCHES NOMINAL IN
materialSTEEL COMP 410 OVERALL
overall_length0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
shear_strength1000 DOUBLE POUND
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
hardness_rating83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.022 INCHES NOMINAL IN
material_document_and_classificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-058-9727
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS561C3-4 · 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
•
DIAMETER: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 410 OR STEEL COMP 420 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SHEAR STRENGTH: 1000 DOUBLE POUND
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
OVERALL LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORSLOTTED
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SHEAR STRENGTH1000 DOUBLE POUND
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
15138Interchangeable
interchangeable cross-reference
interchangeable
318-16Interchangeable
interchangeable cross-reference
interchangeable
P84Interchangeable
interchangeable cross-reference
interchangeable
E2725PC57-65-66Interchangeable
interchangeable cross-reference
interchangeable
E2769PC57-65-66Interchangeable
interchangeable cross-reference
interchangeable
E2760PC57-65-66Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS561C3-4?
NAS561C3-4 is a PIN,SPRING.
What parts can replace NAS561C3-4?
There are 21 known substitutes for NAS561C3-4: 15138, 318-16, P84 and 18 more. Substitute compatibility should be verified for your specific system.
Is NAS561C3-4 still available?
NAS561C3-4 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