Cairns® Fire Helmet Replacement Chin Straps

View Part Numbers
MSA now offers removable, replaceable, and washable chinstraps for all MSA Cairns fire helmets. The new chin straps are certified to NFPA 1971, 2018 Edition and NFPA 1951, 2020 Edition. Shell Release System (SRS) is maintained on helmets equipped with the system. Use only genuine MSA Cairns replacement parts to ensure proper functioning and compliance of your MSA Cairns Fire and Rescue Helmet.

Part Number
Description

Chinstrap Assy,2-pt,Pkgd

Length: 838.200 MM (33.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.058 KG (0.128 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,2-pt,HP3 Defender,Pkgd

Length: 838.200 MM (33.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.059 KG (0.130 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,2-pt,660C/664,Pkgd

Length: 863.600 MM (34.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.061 KG (0.134 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,3-pt,Pkgd

Length: 838.200 MM (33.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.072 KG (0.159 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,3-pt,HP3 Defender,Pkgd

Length: 838.200 MM (33.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.073 KG (0.161 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,4-pt,Pkgd

Length: 838.200 MM (33.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.073 KG (0.161 LB)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,2-pt,Longer Center,Pkgd

Length: 939.800 MM (37.000 IN)
Width: 19.050 MM (0.750 IN)
Height: 1.778 MM (0.070 IN)
Weight: 0.059 KG (0.130 LB)
Size: ONE SIZE FITS ALL
Color: BLACK
Markets: Fire Service
Applications: Firefighting
  • Quick-Release Buckle (QRB)
  • Postman's Slide (as noted)
  • Available for all MSA Cairns Fire Helmets