
Product Description
ISO 7089 round flat washer, 37 x 66 x 5 mm, Article number 7089370HV300. Property class / material: steel, surface finish plain. Round Flat Washer manufactured to ISO 7089. 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
- ISO 7089
- Property class / grade
- STEEL
- Class (detailed)
- STEEL
- Material hardness
- HV300
- Surface treatment
- Plain (no plating)
- Surface treatment code
- PLAIN
- Diameter
- 36 mm
- Inner diameter
- 37 mm
- Outer diameter
- 66 mm
- Thickness
- 5 mm
- Article number
- 7089370HV300
- Category
- Washers / Plain Washers
Standards & Compliance
- Standard
- ISO 7089
- Size / Series
- 37 x 66 x 5 mm
- Material
- Steel
- HS Code
- 731822
Product Documentation
More from Bufab

Bufab
ISO 7089 Round Flat Washer, Steel, 37 x 66 x 5 mm, Zinc Plated (7089370HV3001)

Bufab
ISO 7089 Round Flat Washer, Steel 300 HV, 37 x 66 x 5 mm, Zinc Flake, Silver
7089370HV300GEO500B

Bufab
ISO 7089 Round Flat Washer, Steel, 42 x 72 x 6 mm, Hot-Dip Galvanised (70894002)

Bufab
ISO 7089 Round Flat Washer, Steel, 42 x 72 x 6 mm, Plain
7089420

Bufab
ISO 7089 Round Flat Washer, Steel, 42 x 72 x 6 mm, Zinc Plated
70894201HV200

Bufab
ISO 7089 Round Flat Washer, Steel, 42 x 72 x 6 mm, Hot-Dip Galvanised (70894202)

Bufab
ISO 7089 Round Flat Washer, Steel, 45 x 78 x 8 mm, Plain (7089430)

Bufab
ISO 7089 Round Flat Washer, Steel, 45 x 78 x 8 mm, Zinc Plated
70894301
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 7089370HV300?
- 7089370HV300 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 7089370HV300.
- What is the HS code for 7089370HV300?
- The customs tariff (HS) code for 7089370HV300 is 731822.
- Who manufactures 7089370HV300?
- 7089370HV300 is a Bufab product in the C-Parts range.
- Is a datasheet available for 7089370HV300?
- Yes — the 7089370HV300 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 7089370HV300?
- The minimum order quantity is 1.
- Is 7089370HV300 available?
- Yes — 7089370HV300 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).
