The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-303-1235, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-303-1235 |
| Primary Part Number | 1551AS264 |
| 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 |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Nominal Overall Length | 1.484 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Series Designator | UNF FIRST END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Thread Series Designator | NPT SECOND END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1551AS264 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SS-400-1-4 | Swagelok Co (USA) |
| 1551AS264-4 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4730-01-303-1235 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 4730-01-303-1235 has 3 cross-referenced part numbers: 1551AS264 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SS-400-1-4 (Swagelok Co), 1551AS264-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
There are 5 known substitutes for 4730-01-303-1235: 4730-00-239-0189, 4730-01-303-1234, 4730-01-609-4802 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1551AS264: Nominal Thread Size: 0.438 INCHES FIRST END IN; Thread Class: 3A FIRST END A; Nominal Overall Length: 1.484 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 16 total characteristics are documented in the Federal Logistics Information System.