The Tee,tube, cataloged under National Stock Number 4730-01-178-8461, 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 Naval Ship Systems Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 4730-01-178-8461 |
| Primary Part Number | 503-4556027 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES THIRD END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.058 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.049 INCHES FIRST END IN |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Tubing Wall Nominal Thickness for Which Designed | 0.049 INCHES THIRD END IN |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | COPPER ALLOY OVERALL |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Leg Length | 1.172 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.047 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.000 INCHES NOMINAL THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 503-4556027 | Naval Ship Systems Command (USA) |
| 503-4556027 ITEM 62 | Naval Ship Systems Command (USA) |
| 2670-57 ITEM 62 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 2670-57 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 4730-01-178-8461 is a Tee,tube, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-178-8461 has 4 cross-referenced part numbers: 503-4556027 (Naval Ship Systems Command), 503-4556027 ITEM 62 (Naval Ship Systems Command), 2670-57 ITEM 62 (Huntington Ingalls Inc Div Newport News Shipbuilding), 2670-57 (Huntington Ingalls Inc Div Newport News Shipbuilding).
There are 12 known substitutes for 4730-01-178-8461: 6930-00-346-7188, 4730-00-477-5072, 4730-01-157-7963 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 503-4556027: Nominal Outside Diameter Tube Accommodated: 0.875 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES THIRD END IN; Special Features: FOR NAVY NUCLEAR PROPULSION PLANT PRODUCTS ONLY; Tubing Wall Nominal Thickness for Which Designed: 0.058 INCHES SECOND END IN. 14 total characteristics are documented in the Federal Logistics Information System.