The Vent Assy,air, cataloged under National Stock Number 4820-00-520-8143, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 10 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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-520-8143 |
| Primary Part Number | 3274346REVA |
| Item Name | Vent Assy,air |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3274346REVA PRIMARY | Naval Ship Systems Command (USA) |
| 3274346 | Naval Ship Systems Command (USA) |
| 2409-3266788PC26 | Naval Ship Systems Command (USA) |
| 33136PC6 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 30700REVFPC3 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 24004 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 23850PC26 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 32263PC5 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 24004 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 24004REVA PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
NSN 4820-00-520-8143 is a Vent Assy,air, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-520-8143 has 10 cross-referenced part numbers: 3274346REVA (Naval Ship Systems Command), 3274346 (Naval Ship Systems Command), 2409-3266788PC26 (Naval Ship Systems Command), 33136PC6 (L3harris Technologies, Inc. Div Space and Airborne Systems), 30700REVFPC3 (L3harris Technologies, Inc. Div Space and Airborne Systems) and 5 more.
There are 5 known substitutes for 4820-00-520-8143: 1680-00-019-1537, 4940-00-141-8027, 5120-00-197-9490 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3274346REVA: End Item Identification: HOIST. 1 total characteristics are documented in the Federal Logistics Information System.