Overview
The MSA 10148708 Fas-Trac III ratchet suspension is a replacement hard hat liner designed for MSA V-Gard and compatible helmet models. This 4-point standard-sized suspension fits V-Gard, V-Gard 500, V-Gard GREEN and SmoothDome helmets. The premium suspension includes headband, nape strap, sweatband and crown straps, with a one-handed ratchet adjuster providing an easy-to-use, comfortable fit.
Key Features
- One-handed ratchet adjuster for easy adjustment and comfortable fit with 4-point liner suspension system
- Ratchet comfort pad contours to the back of the head to improve airflow and prevent hair-pulling
- Three levels of nape strap adjustment for customized fit with graspable ratchet and ultra-smooth rotation
- Provides superior comfort and semi-custom fit with high-quality sweatband and nylon height adjusters that easily clip into V-Gard hat shell
- Applications include construction, general industry, oil & gas, and utilities
Technical Specifications
The MSA 10148708 meets ANSI/ISEA standards and is engineered for reliability across industrial environments. Standard sizing accommodates head sizes 6.5 to 8 inches.
Typical Applications
This suspension is used in construction, general industry, oil & gas, and utilities work. It is ideal for workers who require comfortable, all-day helmet wear without pressure headaches or slippage. The design is particularly suited for facilities where workers spend extended periods in hard hats and need secure headgear retention.
Compatibility & Replacements
Compatible With
- MSA V-Gard hard hats
- MSA V-Gard 500 hard hats
- MSA V-Gard GREEN hard hats
- MSA SmoothDome hard hats
- Standard cap-style hard hat shells with compatible attachment points
Replaces / Drop-In Replacement For
This suspension is an exact replacement for the 4-point suspension that comes with MSA V-Gard hard hats. Use this part to replace worn, damaged, or degraded Fas-Trac III suspensions on existing helmets.
Works With
- Fas-Trac III attachment system (flush rear lug design)
- ANSI/ISEA Z89.1-2014 compliant helmets
- All standard MSA V-Gard helmet platforms
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{
“label”: “Part Number”,
“value”: “10148708”
},
{
“label”: “Manufacturer”,
“value”: “MSA Safety”
},
{
“label”: “Product Type”,
“value”: “Hard Hat Ratchet Suspension”
},
{
“label”: “Suspension System”,
“value”: “Fas-Trac III, 4-point”
},
{
“label”: “Size”,
“value”: “Standard (6.5 – 8 inches)”
},
{
“label”: “Color”,
“value”: “Black”
},
{
“label”: “Height”,
“value”: “4.173 in (106 mm)”
},
{
“label”: “Length”,
“value”: “7.441 in (189 mm)”
},
{
“label”: “Width”,
“value”: “7.835 in (199 mm)”
},
{
“label”: “Weight”,
“value”: “0.198 lb (0.090 kg)”
},
{
“label”: “Certification”,
“value”: “ANSI/ISEA Z89.1-2014”
},
{
“label”: “Compatible Helmets”,
“value”: “V-Gard, V-Gard 500, V-Gard GREEN, SmoothDome”
}
]












