Strap, Neck Adjustment, Elastic (For Helmet, Type F). Stores ref. 22c/1397. Blue grey elastic strap with male press tud fasteners at each end. Slide adjuster to alter size/length. These were fitted to the inside of the fabric helmet at the back of the neck and used to ensure a good fit. Later type G helmets had a permanently fitted fabric strap with friction slide buckle instead. Unissued new old stock. Excellent replacements or spares. Small quantity available. Priced individually.