NPT Hex Reducing Bushing (Male × Female) — Class 150 & Class 3000/6000
Coaxial male-to-female NPT hex reducing bushing for stepping down a female NPT port to a smaller female thread size. Offered across Class 150 and Class 3000/6000 series in 304/304L and 316/316L stainless steel (1/4" × 1/8" to 6" × 4").
Material options | 304 / 304L / 316 / 316L |
|---|---|
Connection | External Male NPT × Reduced Internal Female NPT (Hex Bushing) |
Pressure class | Class 150 / 3000 / 6000 |
Nominal size range | 1/4" × 1/8" to 6" × 4" (series range) |
Construction | Cast (Class 150) / Forged ASME B16.11 (Class 3000 & 6000) |
Size
Product overview
Construction, Pressure Class & Material Grades
Designed with External Male NPT × Reduced Internal Female NPT (Hex Bushing) geometry (Cast (Class 150) / Forged ASME B16.11 (Class 3000 & 6000)), this threaded stainless steel fitting joins mating tapered NPT pipe threads along metal-to-metal thread flanks. Manufactured as a 150 lb investment-cast stainless steel fitting series in 304 / 304L / 316 / 316L stainless steel.
Series Size Coverage & Thread Make-Up
Nominal pipe thread sizes span 1/4" × 1/8" to 6" × 4" (series range) across the series; available size options and envelope dimensions vary by stainless steel grade. Verify mating NPT thread specifications and consult the dimensional table for the selected size row before ordering.
Technical specifications
Product specifications
- Nominal class
- #150
Dimensional Reference · Class 150 · 304 Stainless Steel (1/4" (M) x 1/8" (F)–4" (M) x 3" (F))
Class 150 · 304 stainless steel · 1/4" × 1/8" to 4" × 3"
Units: inches
| Specification reference | Size | I (IN) | L (IN) |
|---|---|---|---|
| CH-F095-001 | 1/4" (M) x 1/8" (F) | 0.67" | 0.71" |
| CH-F095-002 | 3/8" (M) x 1/8" (F) | 0.83" | 0.93" |
| CH-F095-003 | 3/8" (M) x 1/4" (F) | 0.83" | 0.93" |
| CH-F095-004 | 1/2" (M) x 1/8" (F) | 1.02" | 1.10" |
| CH-F095-005 | 1/2" (M) x 1/4" (F) | 1.02" | 1.10" |
| CH-F095-006 | 1/2" (M) x 3/8" (F) | 1.02" | 1.10" |
| CH-F095-007 | 3/4" (M) x 1/4" (F) | 1.26" | 1.10" |
| CH-F095-008 | 3/4" (M) x 3/8" (F) | 1.26" | 1.10" |
| CH-F095-009 | 3/4" (M) x 1/2" (F) | 1.26" | 1.10" |
| CH-F095-010 | 1" (M) x 1/4" (F) | 1.50" | 1.34" |
| CH-F095-011 | 1" (M) x 3/8" (F) | 1.50" | 1.34" |
| CH-F095-012 | 1" (M) x 1/2" (F) | 1.50" | 1.34" |
| CH-F095-013 | 1" (M) x 3/4" (F) | 1.50" | 1.34" |
| CH-F095-014 | 1-1/4" (M) x 1/2" (F) | 1.81" | 1.38" |
| CH-F095-015 | 1-1/4" (M) x 3/4" (F) | 1.81" | 1.38" |
| CH-F095-016 | 1-1/4" (M) x 1" (F) | 1.81" | 1.38" |
| CH-F095-017 | 1-1/2" (M) x 1/2" (F) | 2.05" | 1.42" |
| CH-F095-018 | 1-1/2" (M) x 3/4" (F) | 2.05" | 1.42" |
| CH-F095-019 | 1-1/2" (M) x 1" (F) | 2.05" | 1.42" |
| CH-F095-020 | 1-1/2" (M) x 1-1/4" (F) | 2.05" | 1.42" |
| CH-F095-021 | 2" (M) x 1/2" (F) | 2.56" | 1.48" |
| CH-F095-022 | 2" (M) x 3/4" (F) | 2.56" | 1.48" |
| CH-F095-023 | 2" (M) x 1" (F) | 2.56" | 1.48" |
| CH-F095-024 | 2" (M) x 1-1/4" (F) | 2.56" | 1.48" |
| CH-F095-025 | 2" (M) x 1-1/2" (F) | 2.56" | 1.48" |
| CH-F095-026 | 2-1/2" (M) x 1/2" (F) | 3.15" | 1.58" |
| CH-F095-027 | 2-1/2" (M) x 3/4" (F) | 3.15" | 1.58" |
| CH-F095-028 | 2-1/2" (M) x 1" (F) | 3.15" | 1.58" |
| CH-F095-029 | 2-1/2" (M) x 1-1/2" (F) | 3.15" | 1.58" |
| CH-F095-030 | 2-1/2" (M) x 2" (F) | 3.15" | 1.58" |
| CH-F095-031 | 3" (M) x 1-1/2" (F) | 3.74" | 1.77" |
| CH-F095-032 | 3" (M) x 2" (F) | 3.74" | 1.77" |
| CH-F095-033 | 3" (M) x 2-1/2" (F) | 3.74" | 1.77" |
| CH-F095-034 | 4" (M) x 2" (F) | 4.73" | 2.01" |
| CH-F095-035 | 4" (M) x 3" (F) | 4.73" | 2.01" |
Dimensional drawings
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