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Bulletin # 01 of 1999

Interior Title: 
Bulletin # 1 of 1999
Title Type: 
Change to Product
Bulletin Date: 
Bulletin # 1 of 1999. June 10, 1999
Bulletin Type: 
Change to Product Bulletin
Bulletin Subject: 
Change of Yoke
Products Affected: 
Yokes for the SuperLite® 17A/B & MK 21 Helmets

DSI is replacing the existing fiberglass yoke, DSI Part Number 520-060, with a new molded, black, polyurethane yoke, DSI Part Number 520-117 (no price change). This yoke will become standard equipment on all SuperLite 17A/B & MK 21 helmets produced as of June 15, 1999.

The new yoke is made of a durable black polyurethane, molded around a stainless steel core. It is fully interchangeable with the fiberglass unit it replaces and is readily retrofittable to all SL17 A/B helmets. The polyurethane yoke is slightly heavier than fiberglass. The fiberglass yoke will remain available as a special order spare part.


Bulletin 1 of 1999

Old Part Number: 520-060

New Part Number: 520-117

Note: There is no change of part number for the neckclamp/yoke assembly, 505-008 which is also now standard with the new black polyurethane yoke. No Price Change.