The Mouthpiece,spirometer, cataloged under National Stock Number 6515-01-397-4442, 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 Vitalograph Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6515-01-397-4442 |
| Primary Part Number | 20.242 |
| Item Name | Mouthpiece,spirometer |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Vitalograph Inc |
| Status | ACTIVE |
| Features Provided | DISPOSABLE |
| Material | PAPER OVERALL |
| 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 | PG |
NSN 6515-01-397-4442 is a Mouthpiece,spirometer, manufactured by Vitalograph Inc, classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-397-4442 has 3 manufacturer part numbers on file: 20.242 (Vitalograph Ltd), 20.242 (Vitalograph Inc), 20242 (Vitalograph Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-420-3873. Verify interchangeability with system specifications before substitution.
Key specifications for 20.242: Features Provided: DISPOSABLE; Special Features: FLAP-VALVE MOUTHPIECE; COMPATIBLE W/ALL VITALOGRAPH SPIROMETERS; FOR USE IN PULMONARY FUNCTION TESTING; Part Name Assigned by Controlling Agency: MOUTHPIECE SPIROMETER VITALOGRAPH SAFETY DISP CARDBOARD 200S; Material: PAPER OVERALL. 2 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.