The Spirometer, cataloged under National Stock Number 6515-01-695-4889, 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 Micro Direct Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6515-01-695-4889 |
| Primary Part Number | ML3500-S |
| Item Name | Spirometer |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Micro Direct Inc |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| ML3500-S PRIMARY | Micro Direct Inc (USA) |
| Reference | Meaning |
|---|---|
| 6515NCM217085 | 5/1 Secondary reference Defense Medical Standardization Board |
| 1594553 | 5/1 Secondary reference U.S. Government activity |
NSN 6515-01-695-4889 is a Spirometer, manufactured by Micro Direct Inc, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-695-4889 has 1 manufacturer part number on file: ML3500-S (Micro Direct Inc).
Key specifications for ML3500-S: Special Features: ESPECIALLY SUITED TO MEASURING LOW FLOW RATES IN PATIENTS WITH COPD AND ASTHMA. HAS A HIGH-RESOLUTION COLOUR TOUCH-SCREEN, A DESK-TOP DOCKING STATION FOR BATTERY CHARGING, AND CONNECTION TO A PC, FOR UPLOADING OF DATA AND PRINTING OF RESULTS TO AN EXTERNAL PRINTER.; Part Name Assigned by Controlling Agency: MICROLOOP SPIROMETER. 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.