| Product Line | Brakes |
| Category Name | Brake Chambers |
| Part Type | Spring Brake Chamber |
| Alternate Part Name | Spring Brake (S-Cam), 30/30 Brake Chamber with Welded Clevis |
| OEM Part Number | NT3030STDWC |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Brake System Compatibility | S-Cam |
| Chamber Style | Double Diaphragm |
| Chamber Type | 30/30 |
| Clamp Angle | 45 deg. |
| Clevis Mounting Type | Welded |
| Mounting Stud Center-to-Center Spacing | 4.75 in. |
| Mounting Stud Length | 1.50 in. |
| Parking Port 12 | 3/8-18 NPTF, 3/8-18 NPTF |
| Port Angle | 270 Deg. |
| Push Rod Length | 2.25 in. |
| Service Chamber Joint Type | Double Clamp Band, Double Clamp Band |
| Service Port 11 | 3/8-18 NPTF |
| Service Port Thread Size | 3/8-18 NPTF |
| Clevis Bushing Pin Diameter | 1/2 in. |
| Clevis Link Pin Diameter | 1/4 in. |
| Stud Thread Size | 5/8-11 UNC-2A |
| Maximum Operating Temperature | 175 deg. F |
| Minimum Operating Temperature | -40 deg. F |
| Stroke Length | 2.50 in. |
| Net Weight | 18.60 lb. |
| Technical Notes | Do not disassemble while park side is caged under pressure. |
| Cross References | 179SB3030SW225, 800921, NT3030STDWC, NT3030STD-WC, 3030CW, EBC3030C, GC3030CW, 3430951, BWNT3030STD-WC, 070GC3030CW, 179SB3030SW225, 3430051X, 3430951, GC3030CW, NT3030STDWC |
| Intended Application | - Compatible with air drum brake systems (S-Cam) on heavy-duty trucks, tractors, and trailers. It installs on the rear axle brake bracket to provide pneumatic service braking action and mechanical parking/emergency hold via its welded clevis, which directly connects to the brake adjuster. Designed for safe braking control under severe operating conditions.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
, - Compatible with air drum brake systems (S-Cam) on heavy-duty trucks, tractors, and trailers. It installs on the rear axle brake bracket to provide pneumatic service braking action and mechanical parking/emergency hold via its welded clevis, which directly connects to the brake adjuster. Designed for safe braking control under severe operating conditions.
- Always compare with your OEM part number prior to purchase to confirm full compatibility.
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