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Ambersil AMS4 Silicone Grease 400ml Aerosol *DEF STAN 68-69/1 *MIL-S-8660B

Silmid P/N: AMS4000012
£17.11 (excl VAT) £20.53 (Inc VAT)
16 Available from stock
Bulk discounts
£17.11 + VAT
£16.25 + VAT
£15.83 + VAT
£15.40 + VAT

Ambersil AMS4 Silicone Grease is a military & aviation grade XG250 silicone grease used on rubber seals to prevent cracking.

Technical Information

  • Commodity Code 34039900
  • Country of Origin United Kingdom
  • UN Number 1950 CL2.1

Product Properties

Pack Size
400ml Aerosol
Product Colour
Manufacturer Name
CRC Industries
Manufacturer Part Number


NSN Reference
Joint Services Designation

Please Note: Specifications and approvals are subject to change at any time. Users should always consult their AMM or the OEM when selecting products to ensure items have the release needed. Only specifications listed on the order confirmation will be certified on the Silmid CofC.

Product Information

It is used on 3-phase connectors to avoid moisture ingress and to provide general lubrication. The product meets military and aviation standards and provides a smooth coating while also arriving with a broad service temperature range, remaining functional from -50°C (-122°F) to +200°C (+392°F). The grease can be used effectively in various applications, including electronics, transport, aviation and mechanical engineering.

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Shipping information

Orders over £100 placed online will now qualify for FREE UK Mainland delivery*

Orders under £100 placed online for UK Mainland delivery is £12.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £30.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.

Please refer to our delivery page for more information.