The Holder Filter,air, cataloged under National Stock Number 6665-01-336-8043, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Radeco, Inc. Dba Radeco Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-336-8043 |
| Primary Part Number | 2500-19 |
| Item Name | Holder Filter,air |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Radeco, Inc. Dba Radeco Inc |
| Status | ACTIVE |
| General Characteristics Item Description | OPEN FACE COMBINATION FILTER AND CARTRIDGE HOLDER; 2 IN. DIA.; HARD ANODIZED; MAIN BODY COLORED BLUE; CARTRIDGE CONTAINERS ARE BLACK FOR 2 IN. IN |
| Specification/standard Data | 32101-2500-19 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2500-19 PRIMARY | Radeco, Inc. Dba Radeco Inc (USA) |
| Reference | Meaning |
|---|---|
| 2500-19 | 5/9 Secondary reference Leidos, Inc. |
NSN 6665-01-336-8043 is a Holder Filter,air, manufactured by Radeco, Inc. Dba Radeco Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-336-8043 has 1 manufacturer part number on file: 2500-19 (Radeco, Inc. Dba Radeco Inc).
Key specifications for 2500-19: General Characteristics Item Description: OPEN FACE COMBINATION FILTER AND CARTRIDGE HOLDER; 2 IN. DIA.; HARD ANODIZED; MAIN BODY COLORED BLUE; CARTRIDGE CONTAINERS ARE BLACK FOR 2 IN. IN; Specification/standard Data: 32101-2500-19 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.