The Valve,check, cataloged under National Stock Number 4820-01-489-6150, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lenox Instrument Co., Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-489-6150 |
| Primary Part Number | 702-0002 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lenox Instrument Co., 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 |
|---|---|
| 702-0002 PRIMARY | Lenox Instrument Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| 100-D-1721 | D/9 Drawing number reference only Lenox Instrument Co., Inc. |
NSN 4820-01-489-6150 is a Valve,check, manufactured by Lenox Instrument Co., Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-489-6150 has 1 manufacturer part number on file: 702-0002 (Lenox Instrument Co., Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-489-6154. Verify interchangeability with system specifications before substitution.
Key specifications for 702-0002: End Item Identification: NHA:AIR FILTRATION SYSTEM STANDARD,P/N 6515A-102 A. 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.