The Nrp,boom Microphone, cataloged under National Stock Number 4220-01-609-9409, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Gentex Corp. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nrp,boom Microphone |
| FSC / FSG | 4220 — Marine Lifesaving and Diving Equipment (FSG 42) |
| Manufacturers | Blanford, James (CAGE 33SE4); Gentex Corp (CAGE 7L772); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 4220-01-609-9409 |
| Primary Part Number | 05-999003 |
| Item Name | Nrp,boom Microphone |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| 05-005061-DWG ITEM 6 | Blanford, James (USA) |
| 05-999003-DWG REV 3 | Blanford, James (USA) |
| 05-999003 PRIMARY | Gentex Corp (USA) |
| 05-999003 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 05-999003 | 5/9 Secondary reference Aegisound, Llc |
NSN 4220-01-609-9409 is a Nrp,boom Microphone, manufactured by Gentex Corp, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-609-9409 has 4 manufacturer part numbers on file: 05-005061-DWG ITEM 6 (Blanford, James), 05-999003-DWG REV 3 (Blanford, James), 05-999003 (Gentex Corp), 05-999003 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.