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NAS561C4-24 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NAS561C4-24: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.125 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, overall_length: 1.5 INCHES NOMINAL IN, style_designator: SLOTTED, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.028 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-678-2550, 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
NAS561C4-24
NSN: 5315-01-678-2550
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
overall_length1.5 INCHES NOMINAL IN
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.028 INCHES NOMINAL IN
specification/standard_data80205-NAS561 NATIONAL STD/SPEC
material_document_and_classificationNSAS561 NATIONAL STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyPIN, SPRING, SLOTTED, HEAVY DUTY
NSN5315-01-678-2550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS561C4-24 · 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
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: NSAS561 NATIONAL STD ALL MATERIAL RESPONSES OVERALL
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 80205-NAS561 NATIONAL STD/SPEC
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSLOTTED
MATERIAL DOCUMENT AND CLASSIFICATIONNSAS561 NATIONAL STD ALL MATERIAL RESPONSES OVERALL
DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH1.5 INCHES NOMINAL IN
MATERIAL THICKNESS0.028 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA80205-NAS561 NATIONAL STD/SPEC
SURFACE TREATMENTPASSIVATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, SPRING, SLOTTED, HEAVY DUTY
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
NAS561Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS561C4-24?
NAS561C4-24 is a PIN,SPRING.
What parts can replace NAS561C4-24?
There is 1 known substitute for NAS561C4-24: NAS561. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS561C4-24?
NAS561C4-24 is cataloged in the U.S. Government catalog under NSN 5315-01-678-2550. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.