Cairns® Fire Helmet Replacement Chin Straps

Cairns Fire Helmet Replacement Chin Straps ensure proper functioning and NFPA compliance with its Quick-Release Buckles (QRB) or Postman's Slide closure. 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: 33.000 IN (838.200 MM)
Width: 0.750 IN (19.050 MM)
Height: 0.070 IN (1.778 MM)
Weight: 0.128 LB (0.058 KG)
Size: ONE SIZE FITS ALL
Color: BLACK

Chinstrap Assy,2-pt,HP3 Defender,Pkgd

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

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

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

Chinstrap Assy,3-pt,Pkgd

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

Chinstrap Assy,3-pt,HP3 Defender,Pkgd

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

Chinstrap Assy,4-pt,Pkgd

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

Chinstrap Assy,2-pt,Longer Center,Pkgd

Length: 37.000 IN (939.800 MM)
Width: 0.750 IN (19.050 MM)
Height: 0.070 IN (1.778 MM)
Weight: 0.130 LB (0.059 KG)
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