The Bushing,pipe, cataloged under National Stock Number 4730-01-302-3547, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-3547 |
| Primary Part Number | 1551AS656 |
| Item Name | Bushing,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Internal Thread Size | 1/4-18 |
| External Thread Direction | RIGHT-HAND |
| Internal Screw Thread Series Designator | ANPT |
| External Screw Thread Series Designator | ANPT |
| Internal Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE |
| Material Document and Classification | FED STD 66, COMP 304 FED STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 304 |
| Style Designator | OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL) |
| Working Pressure and Service Type | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OXYGEN LBS |
| External Thread Size | 3/8-18 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1551AS656 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1551AS656-3 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1779AS159-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| AN912-2J | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 4730-01-302-3547 is a Bushing,pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-302-3547 has 4 cross-referenced part numbers: 1551AS656 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1551AS656-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1779AS159-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), AN912-2J (Aeronautical Standards Group Dept of Navy and Air Force).
There are 2 known substitutes for 4730-01-302-3547: 4730-00-540-6145, 4730-01-301-0420. Verify interchangeability with system specifications before substitution.
Key specifications for 1551AS656: Internal Thread Size: 1/4-18; End Item Identification: 3955-01-281-7747; External Thread Direction: RIGHT-HAND; Internal Screw Thread Series Designator: ANPT. 12 total characteristics are documented in the Federal Logistics Information System.