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3515-20-17 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3515-20-17: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, hole_diameter: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, overall_height: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, outside_diameter: 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, material_thickness: 0.010 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-470-3353, 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
3515-20-17
NSN: 5310-00-470-3353
FSC: 5310 — Nuts and Washers
CAGE: 78189 — ITW SHAKEPROOF AUTOMOTIVE PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 1050 OVERALL
hole_diameter0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
overall_height0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
outside_diameter0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
material_thickness0.010 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-470-3353
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3515-20-17 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.010 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 1050 OVERALL
•
HOLE DIAMETER: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
MATERIAL THICKNESS0.010 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1050 OVERALL
HOLE DIAMETER0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
952245-6Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
3515-20-17-0545Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3515-20-17?
3515-20-17 is a WASHER,SPRING TENSION.
What parts can replace 3515-20-17?
There are 2 known substitutes for 3515-20-17: 952245-6, 3515-20-17-0545. Substitute compatibility should be verified for your specific system.
What is the NSN for 3515-20-17?
3515-20-17 is cataloged in the U.S. Government catalog under NSN 5310-00-470-3353. 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.