The Coupling,pipe, cataloged under National Stock Number 4730-00-442-0081, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 4730-00-442-0081 |
| Primary Part Number | 525-26 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 2.281 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Media for Which Designed | FLUID FIRST RESPONSE |
| Style Designator | RIGID, THREADED INTERNAL AND EXTERNAL |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY AND ALUMINUM OVERALL |
| Media for Which Designed | AIR SECOND RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-442-0081 is a Coupling,pipe, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-442-0081 has 2 cross-referenced part numbers: 525-26 (Donallco Inc), 525-26 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
There are 3 known substitutes for 4730-00-442-0081: 5940-00-077-4623, 5360-00-671-3220, 4730-01-286-0342. Verify interchangeability with system specifications before substitution.
Key specifications for 525-26: Connection Style: PLAIN (PIPE) FIRST END; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE FIRST END; Thread Series Designator: NPT ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.