The Duct Air, cataloged under National Stock Number 4720-01-622-4633, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. This item has 2 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 | 4720-01-622-4633 |
| Primary Part Number | 4506914 |
| Item Name | Duct Air |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4506914 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 4P99010-110A | Lockheed Martin Corp (USA) |
NSN 4720-01-622-4633 is a Duct Air, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-622-4633 has 2 cross-referenced part numbers: 4506914 (Rtx Corporation Div Pratt & Whitney), 4P99010-110A (Lockheed Martin Corp).
There is 1 known substitute for 4720-01-622-4633: 5330-00-641-0202. Verify interchangeability with system specifications before substitution.
Key specifications for 4506914: End Item Identification: C-5 AIRCRAFT. 1 total characteristics are documented in the Federal Logistics Information System.