The Union,pipe, cataloged under National Stock Number 4730-01-431-9172, 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 Brennan Industries. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-431-9172 |
| Primary Part Number | 5404-8-4 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Brennan Industries |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Material | STEEL OVERALL |
| Style Designator | THREADED |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3070AS576 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3070AS576-9 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 5404-8-4 PRIMARY | Brennan Industries (USA) |
NSN 4730-01-431-9172 is a Union,pipe, manufactured by Brennan Industries, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-431-9172 has 3 cross-referenced part numbers: 3070AS576 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3070AS576-9 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 5404-8-4 (Brennan Industries).
There is 1 known substitute for 4730-01-431-9172: 4730-01-431-9170. Verify interchangeability with system specifications before substitution.
Key specifications for 5404-8-4: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Material: STEEL OVERALL; Style Designator: THREADED; End Item Identification: WHEEL MOUNTED. 8 total characteristics are documented in the Federal Logistics Information System.