Description
Solid yellow brass hex-head plug with 3/4″ male NPTF threads. Used to permanently cap an unused 3/4″ female NPTF port on an air tank, fuel-tank pickup boss, oil sump bung, or any threaded body in air, fuel, lube, or coolant plumbing. Common service number 06125-12 / Anchor 121-E.
Specifications
| Manufacturer | Midland Industries |
|---|---|
| Part Number | 28205S (MM-28205S) |
| Part Type | Solid Brass Hex-Head Plug |
| Thread Size | 3/4″ Male NPTF |
| External Hex | 1.06″ |
| Overall Length | 0.92″ |
| Body Material | Solid brass |
| Style | External hex (wrench-driven) |
| Weight | 0.230 lb |
Cross References
This part replaces or is equivalent to the following part numbers:
- Anchor: 121-E, 121AS-E, 121E, 121S-12
- McMaster-Carr: 50785K338
- Also known as: 06125-12, 23152X12
Applications
Used to plug an unused 3/4″ female NPTF port in:
- Air tank bosses, manifold blocks, and accessory plumbing
- Fuel-tank service ports, sump dummy bosses, and oil-pan drain bungs
- Coolant tee blocks and large-port instrument plumbing
- Class 6–8 trucks (Freightliner, Kenworth, Peterbilt, International, Volvo, Mack, Western Star) and trailers
PTFE thread sealant is recommended on each NPTF connection. Verify thread size before ordering.
