PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1720-02
1720-02 ✓ 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

STRAP,WRIST,ELECTROSTATIC DISCHA. Key specifications include material: STEEL COMP 410 OVERALL, hole_diameter: 0.377 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN, outside_diameter: 0.492 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7154, 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
1720-02
NSN: 5310-00-595-7154
FSC: 5310
CAGE: 78189 — ITW SHAKEPROOF AUTOMOTIVE PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
hole_diameter0.377 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
outside_diameter0.492 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentPASSIVATE OVERALL
material_thickness0.019 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
nondefinitive_spec/std_data410 CLASS
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-595-7154
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1720-02 · 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
•
HOLE DIAMETER: 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
410894-38Interchangeable
interchangeable cross-reference
interchangeable
881557-9Interchangeable
interchangeable cross-reference
interchangeable
G440056-7Interchangeable
interchangeable cross-reference
interchangeable
745428Interchangeable
interchangeable cross-reference
interchangeable
745428-1Interchangeable
interchangeable cross-reference
interchangeable
172002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1720-02?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1720-02?
1720-02 is a STRAP,WRIST,ELECTROSTATIC DISCHA.
What parts can replace 1720-02?
There are 14 known substitutes for 1720-02: 410894-38, 881557-9, G440056-7 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1720-02?
1720-02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7154. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1720-02

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026