Product Description
DIN 9021 round flat washer, 5.3 x 20 x 1.25 mm, Article number 902153201251. Property class / material: steel, surface finish zinc plated. Round Flat Washer manufactured to DIN 9021. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution. Applications: load distribution and locking under bolt heads and nuts in machine building, structural steel, plant maintenance and marine outfitting.
Technical Specifications
- Standard
- DIN 9021
- Property class / grade
- STEEL
- Class (detailed)
- STEEL
- Material hardness
- HV140
- Surface treatment
- Zinc Bright Passivation Fe/Zn P1 (ZPL 3+)
- Surface treatment code
- ZPL
- Diameter
- 5 mm
- Inner diameter
- 5.3 mm
- Outer diameter
- 20 mm
- Thickness
- 1.25 mm
- Article number
- 902153201251
- Category
- Washers / Plain Washers
Standards & Compliance
- Standard
- DIN 9021
- Size / Series
- 5.3 x 20 x 1.25 mm
- Material
- Steel
- HS Code
- 731822
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 902153201251?
- 902153201251 can be ordered from cballast.com as a Bufab catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Bufab product?
- The manufacturer part number is 902153201251.
- What is the HS code for 902153201251?
- The customs tariff (HS) code for 902153201251 is 731822.
- Who manufactures 902153201251?
- 902153201251 is a Bufab product in the C-Parts range.
- Is a datasheet available for 902153201251?
- Yes — the 902153201251 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 902153201251?
- The minimum order quantity is 1.
- Is 902153201251 available?
- Yes — 902153201251 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).