The Boom,microphone, cataloged under National Stock Number 5965-01-572-7803, 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 3m Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5965-01-572-7803 |
| Primary Part Number | MT33-05R |
| Item Name | Boom,microphone |
| FSC / FSG | 5965 / 59 — Headsets, Handsets, Microphones and Speakers |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MT33-05R PRIMARY | 3m Company (USA) |
| MT-31 | Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS) |
| Reference | Meaning |
|---|---|
| MT-31 | 3/9 Design control — primary reference 3m Company |
| 7100157305 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
| MT-31 | 5/9 Secondary reference Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear |
| 5965PL1798335 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1100001888 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
NSN 5965-01-572-7803 is a Boom,microphone, manufactured by 3m Company, classified under FSC 5965, Headsets, Handsets, Microphones and Speakers. Status: active.
NSN 5965-01-572-7803 has 2 manufacturer part numbers on file: MT33-05R (3m Company), MT-31 (Nioa Trading Nioa Nominees Pty Limited Div Nioa).
Key specifications for MT33-05R: Special Features: PELTOR COMTAC ACH REPLACMENT BOOM MIC.; Part Name Assigned by Controlling Agency: MIC,BOOM. 0 specifications are documented in the U.S. Government catalog.
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.