Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEL4MY3  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
A4 316 Stainless Steel Locking Washers, M4, DIN 7980
RS PRO
A4 316 Stainless Steel Locking Washers, M4, DIN 7980
Part No.
189-692
Procurement Intelligence
RS PRO DIN 7980 locking washers are split-ring fasteners designed to prevent bolt/screw loosening through spring tension in mechanical assemblies. Installation pairs with M4 fasteners under vibration or dynamic loading conditions. Critical verification: confirm A4 316 stainless steel corrosion compatibility with mating materials and operating environment.
M4 vibration-prone assemblies
Before ordering — verify:
☐ Vibration resistance
☐ Corrosion environment
☐ Load capacity limits
Technical Specifications
For Screw/Bolt SizeM4
Washer TypeLocking
Inside Diameter4mm
Outside Diameter7mm
MaterialStainless Steel
Standards MetDIN 7980
Stainless Steel TypeA4 316
FinishPlain
Thickness1.2mm
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/mechanical/fasteners-fixings/nuts-washers/washers/a4-316-stainless-steel-locking-washers-m4-din-7980?mal=6627cb9c12f5f0d90d02e863
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.