The Reducer,tube, cataloged under National Stock Number 4730-01-178-8465, 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 3 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 | 4730-01-178-8465 |
| Primary Part Number | 503-4556027 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Material | COPPER OVERALL |
| Reducer Type | CONCENTRIC |
| Material Document and Classification | ASTM B-75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 503-4556027 | Naval Ship Systems Command (USA) |
| 2670-57 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 503-4556027ITEM65 | Naval Ship Systems Command (USA) |
| 2670-57 ITEM 65 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 4730-01-178-8465 is a Reducer,tube, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-178-8465 has 4 cross-referenced part numbers: 503-4556027 (Naval Ship Systems Command), 2670-57 (Huntington Ingalls Inc Div Newport News Shipbuilding), 503-4556027ITEM65 (Naval Ship Systems Command), 2670-57 ITEM 65 (Huntington Ingalls Inc Div Newport News Shipbuilding).
There are 12 known substitutes for 4730-01-178-8465: 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: Material: COPPER OVERALL; Special Features: ONE REQD;1 1/8 X 3/4 SIZE; Reducer Type: CONCENTRIC; Material Document and Classification: ASTM B-75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 4 total characteristics are documented in the Federal Logistics Information System.