The Microphone,crystal, cataloged under National Stock Number 5965-01-643-0703, is classified within Federal Supply Class 5965 (Headsets, Handsets, Microphones and Speakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Microphone,crystal |
| FSC / FSG | 5965 — Headsets, Handsets, Microphones and Speakers (FSG 59) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5965-01-643-0703 |
| Primary Part Number | H547-0001-2405-28D4 |
| Item Name | Microphone,crystal |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| H547-0001-2405-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7383858-2405-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2405-28D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7383858-2405-28 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H547-0001-2405-28 | 5/1 Secondary reference U.S. Government activity |
| 2405-28 | 5/1 Secondary reference Amron International Inc |
NSN 5965-01-643-0703 is a Microphone,crystal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-643-0703 has 3 manufacturer part numbers on file: H547-0001-2405-28D4 (Naval Inventory Control Point Mechanicsburg), 7383858-2405-28D4 (Naval Inventory Control Point Mechanicsburg), 2405-28D4 (Naval Inventory Control Point Mechanicsburg).
Possible hazard — SDS may be required (DLA HMIC P). 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.