The Reducer,tube, cataloged under National Stock Number 4730-00-756-7813, 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 Stewart Avionics Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-756-7813 |
| Primary Part Number | A10499 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Stewart Avionics Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Reducer Type | CONCENTRIC |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Thread Series Designator | UNF SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Connection Style | FLARED (TUBE) SECOND END |
| Nominal Thread Size | 0.437 INCHES SECOND END IN |
| Thread Class | 2B FIRST END |
| Thread Class | 3A SECOND END A |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Series Designator | UNS FIRST END |
| Nominal Overall Length | 1.380 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A10499 PRIMARY | Stewart Avionics Inc (USA) |
| 64A100A180 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 64A100A180 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 103163 PRIMARY | Metadure Parts & Sales, Inc. (USA) |
NSN 4730-00-756-7813 is a Reducer,tube, manufactured by Stewart Avionics Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-756-7813 has 4 cross-referenced part numbers: A10499 (Stewart Avionics Inc), 64A100A180 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 64A100A180 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 103163 (Metadure Parts & Sales, Inc.).
There are 9 known substitutes for 4730-00-756-7813: 3110-00-293-9041, 4730-00-312-0846, 1005-00-501-3504 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for A10499: Material: STEEL CORROSION RESISTING OVERALL; Reducer Type: CONCENTRIC; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN; Thread Series Designator: UNF SECOND END. 18 total characteristics are documented in the Federal Logistics Information System.