The Filter,gas, cataloged under National Stock Number 4240-00-253-1869, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-00-253-1869 |
| Primary Part Number | 1571845 |
| Item Name | Filter,gas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING FILTER |
| 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 |
|---|---|
| 588.10-300006-000 | Diehl Defence Gmbh & Co. Kg (DEU) |
| 588-10-300006000 | Diehl Defence Gmbh & Co. Kg (DEU) |
| 1571845 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1571845 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 4910002531869 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 10110545 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4910002531869 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4240-00-253-1869 is a Filter,gas, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-00-253-1869 has 4 manufacturer part numbers on file: 588.10-300006-000 (Diehl Defence Gmbh & Co. Kg), 588-10-300006000 (Diehl Defence Gmbh & Co. Kg), 1571845 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1571845 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1571845: Special Features: ITEM HAS SCREEN AND WASHER FILTERS; WASHER FILTER IS MADE OF COPPER SHEET MEASURING 0.200 IN. INSIDE DIAMETER, 0.290 OVERALL DIA; SCREEN FILTER IS WIRE FABRIC 0.235 IN. O/A DIA. IN; Material: STEEL CORROSION RESISTING FILTER. 1 specification is 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.