The Window,inlet,valve, cataloged under National Stock Number 1040-00-300-4221, is classified within Federal Supply Class 1040 (No Item Name Available) of the Weapons group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Window,inlet,valve |
| FSC / FSG | 1040 — No Item Name Available (FSG 10) |
| Manufacturers | L3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 1040-00-300-4221 |
| Primary Part Number | 20864 |
| Item Name | Window,inlet,valve |
| FSC / FSG | 1040 / 10 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20864 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 54A50A70 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 54A50A70 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 1040-00-300-4221 is a Window,inlet,valve, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 1040 (No Item Name Available). Status: active.
NSN 1040-00-300-4221 has 3 cross-referenced part numbers: 20864 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50A70 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 54A50A70 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
There are 5 known substitutes for 1040-00-300-4221: 1560-00-073-8077, 5340-00-083-4075, 5133-00-262-2176 and 2 more. Verify interchangeability with system specifications before substitution.