The Trap,steam, cataloged under National Stock Number 4730-01-135-3311, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-135-3311 |
| Primary Part Number | 4913K21 |
| Item Name | Trap,steam |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Inlet Connection Type | FEMALE IRON PIPE |
| Outlet Connection Type | FEMALE IRON PIPE |
| Thread Direction | RIGHT-HAND BOTH INLET AND OUTLET |
| Rated Capacity at Maximum Working Pressure | 1450.0 POUNDS OF WATER PER HOUR LBS |
| Material | IRON CAST BODY |
| Screw Thread Series Designator | NPT BOTH INLET AND OUTLET |
| Body Design | STRAIGHT VERTICAL PATTERN |
| Design Type | COMBINATION FLOAT/THERMOSTATIC |
| Maximum Steam Working Pressure | ERR-060 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-01-135-3311 is a Trap,steam, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-135-3311 has 3 cross-referenced part numbers: 4913K21 (Mcmaster-Carr Supply Co), 40-275 (Marshall Engineered Products Co Dba Mepco), ML9636 (Marshall Engineered Products Co Dba Mepco).
There are 6 known substitutes for 4730-01-135-3311: 5999-00-078-3248, 5950-00-878-6848, 5315-01-149-8217 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4913K21: Special Features: HGT.5-3/4 IN.,WDTH 4-5/8 IN. IN; Inlet Connection Type: FEMALE IRON PIPE; Outlet Connection Type: FEMALE IRON PIPE; Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET. 10 total characteristics are documented in the Federal Logistics Information System.