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PartsTable / COMPONENT / G603637-2
G603637-2 ✓ 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 PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, material: STEEL COMP 410 OR STEEL COMP 420 OVERALL, overall_length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, shear_strength: 425 DOUBLE POUND, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-823-8740, 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
G603637-2
NSN: 5315-00-823-8740
FSC: 5315
CAGE: 06840 — BENDIX CORP THE (USA)
SPECIFICATIONS
diameter0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
materialSTEEL COMP 410 OR STEEL COMP 420 OVERALL
overall_length0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
shear_strength425 DOUBLE POUND
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
hardness_rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentPASSIVATE OVERALL
material_thickness0.012 INCHES MINIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-823-8740
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G603637-2 · 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
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
SURFACE FINISH: 80.0 MICROINCHES OUTSIDE DIAMETER
•
MATERIAL: STEEL COMP 410 OR STEEL COMP 420 OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL THICKNESS: 0.012 INCHES MINIMUM IN
•
SHEAR STRENGTH: 425 DOUBLE POUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL THICKNESS0.012 INCHES MINIMUM IN
SHEAR STRENGTH425 DOUBLE POUND
DIAMETER0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
C35Interchangeable
interchangeable cross-reference
interchangeable
0495-5Interchangeable
interchangeable cross-reference
interchangeable
CSC19-22TInterchangeable
interchangeable cross-reference
interchangeable
SMC563335-5Interchangeable
interchangeable cross-reference
interchangeable
07H3129-14Interchangeable
interchangeable cross-reference
interchangeable
79-012-062-0375Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G603637-2?
G603637-2 is a PIN,SPRING.
What parts can replace G603637-2?
There are 28 known substitutes for G603637-2: C35, 0495-5, CSC19-22T and 25 more. Substitute compatibility should be verified for your specific system.
Is G603637-2 still available?
G603637-2 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