The Filter,air,spirometer, cataloged under National Stock Number 6515-01-376-9474, 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 Collins Warren E Inc Dba Ferraris Respiratory Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 6515-01-376-9474 |
| Primary Part Number | 022370 |
| Item Name | Filter,air,spirometer |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Collins Warren E Inc Dba Ferraris Respiratory 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 |
| Part Number | Manufacturer |
|---|---|
| 022370 PRIMARY | Collins Warren E Inc Dba Ferraris Respiratory Inc (USA) |
NSN 6515-01-376-9474 is a Filter,air,spirometer, manufactured by Collins Warren E Inc Dba Ferraris Respiratory Inc, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-376-9474 has 1 manufacturer part number on file: 022370 (Collins Warren E Inc Dba Ferraris Respiratory Inc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-503-3948. Verify interchangeability with system specifications before substitution.
Key specifications for 022370: Special Features: STERILE; DISPOSABL; POLYPROPYLENE HOUSING; 2 MICRON FILTRATION; SOLD 24 PER CASE. 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.