The Connector,multiple,fluid Pressur, cataloged under National Stock Number 4730-01-028-2256, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-028-2256 |
| Primary Part Number | 2157-1 |
| Item Name | Connector,multiple,fluid Pressur |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size | 9/16 IN.-18 LOCATION NOT OTHERWISE SPECIFIED IN |
| Connection Style | PLAIN SECOND CONNECTION |
| Fluid Connection Quantity | 2 FIRST CONNECTION |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Connection Style | FLARED FIRST CONNECTION |
| Deg Between Outlets | 90.0 |
| Thread Provision | UNTHREADED SECOND CONNECTION |
| Second Deg Between Outlets | 90.0 |
| Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED |
| Bolt Hole Flats Serrations | NOT PROVIDED |
| Material | STEEL COMP 316 OR STEEL COMP 304 |
| Fluid Conveyance Type and Size for Which Designed | 3/8 IN. OD TUBE,3/8 IN. OD TUBE,3/8 IN. OD TUBE IN |
| Fluid Connection Quantity | 1 SECOND CONNECTION |
| Thread Provision | THREADED FIRST CONNECTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2157-1 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| 188353-1 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| 2175-1 | Transdigm Inc Div Adelwiggins Group (USA) |
| 8050-1 | Pressure Research Engineering (USA) |
| G630038-1 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 4730-01-028-2256 is a Connector,multiple,fluid Pressur, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-028-2256 has 5 cross-referenced part numbers: 2157-1 (Transdigm Inc Div Adelwiggins Group), 188353-1 (L3harris Technologies, Inc Div Space & Airborne Systems), 2175-1 (Transdigm Inc Div Adelwiggins Group), 8050-1 (Pressure Research Engineering), G630038-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
There are 12 known substitutes for 4730-01-028-2256: 5307-00-003-0709, 5935-00-153-6993, 6145-00-194-9842 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2157-1: Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Thread Size: 9/16 IN.-18 LOCATION NOT OTHERWISE SPECIFIED IN; Connection Style: PLAIN SECOND CONNECTION; Fluid Connection Quantity: 2 FIRST CONNECTION. 17 total characteristics are documented in the Federal Logistics Information System.