The Audiometer, cataloged under National Stock Number 6515-01-061-0660, is classified within Federal Supply Class 6515 (Medical and Surgical Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Maico Hearing Instruments. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6515-01-061-0660 |
| Primary Part Number | MA-42 |
| Item Name | Audiometer |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Maico Hearing Instruments |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MA-42 | Maico Hearing Instruments (USA) |
| Reference | Meaning |
|---|---|
| 1761-9780 | 5/9 Secondary reference Natus Neurology Incorporated Dba Natus |
| 171697-10 | 3/9 Design control — primary reference Natus Neurology Incorporated Dba Natus |
NSN 6515-01-061-0660 is a Audiometer, manufactured by Maico Hearing Instruments, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-061-0660 has 1 manufacturer part number on file: MA-42 (Maico Hearing Instruments).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-459-3476. Verify interchangeability with system specifications before substitution.
Key specifications for MA-42: Special Features: DUAL CHANNEL;125 TO 8000 HZ PER SEC FREQ RANGE;SENSITIVITY 0.15 TO 1.0 RMS;PWR RQMTS 115-230 VAC,50-60 HZ;20 WATTS;WOOD CASE;DIM. 17.250 IN. W,10.125 IN. H,12.625 IN. DEEP;ACCESSORIES:AIR CONDITION RECVR 2,BONE CONDUCTION RECVR 1,MICROPHONE 1.ON-OFF SWITCH W/INDICATOR LIGHT 1,PATIENT SIGNAL CORD 1 VAC; Part Name Assigned by Controlling Agency: AUDIOMETER DUAL CHAN 125-8000HZ P/SEC FREQ RANGE 115-230V50-60HZ. 0 specifications are documented in the U.S. Government catalog.
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.