The Tee,pipe, cataloged under National Stock Number 4730-01-718-3989, 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 Abb Installation Products Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-718-3989 |
| Primary Part Number | AT1 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Thread Series Designator | NPT INLET |
| Nominal Width | 1.375 INCHES ALL ENDS IN |
| Nominal Overall Length | 4.814 INCHES IN |
| Material | ALUMINUM OVERALL |
| Style Designator | TEE |
| Raised Face Nominal Height | 2.060 INCHES INLET IN |
| Nominal Thread Size | 0.50 INCHES INLET IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AT1 PRIMARY | Abb Installation Products Inc (USA) |
| 12443822 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12443822-001 | Oshkosh Defense Llc (USA) |
NSN 4730-01-718-3989 is a Tee,pipe, manufactured by Abb Installation Products Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-718-3989 has 3 cross-referenced part numbers: AT1 (Abb Installation Products Inc), 12443822 (U S Army Tank Automotive Command Amsta-Im-Mm), 12443822-001 (Oshkosh Defense Llc).
There are 7 known substitutes for 4730-01-718-3989: 4940-00-262-3070, 3460-00-455-9051, 5306-00-814-2513 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for AT1: Thread Series Designator: NPT INLET; Nominal Width: 1.375 INCHES ALL ENDS IN; Nominal Overall Length: 4.814 INCHES IN; Material: ALUMINUM OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.