The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-303-1234, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-303-1234 |
| Primary Part Number | 1551AS264-3 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Thread Series Designator | UNF FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Series Designator | NPT SECOND END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Overall Length | 1.290 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1551AS264 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1551AS264-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SS400-1-2 | Swagelok Co (USA) |
NSN 4730-01-303-1234 is a Adapter,straight,pipe to Tube, 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 4730-01-303-1234 has 3 cross-referenced part numbers: 1551AS264 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1551AS264-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SS400-1-2 (Swagelok Co).
There are 3 known substitutes for 4730-01-303-1234: 4730-00-684-4065, 4730-01-303-1235, 4730-01-617-7296. Verify interchangeability with system specifications before substitution.
Key specifications for 1551AS264-3: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Thread Series Designator: UNF FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.