The Flame Arrester,ventilation-Exhau, cataloged under National Stock Number 2040-00-256-9668, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2040-00-256-9668 |
| Primary Part Number | D16700SIZE9 |
| Item Name | Flame Arrester,ventilation-Exhau |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Falls Filtration Technologies, Inc. |
| Status | ACTIVE |
| Air Flow Capacity Range | +450.0 TO 900.0 CUBIC FEET PER MINUTE |
| Screen Cell Quantity | 1 |
| Size Designator | 9 |
| Specific Usage Design | IN SHIPS |
| Housing Material | STEEL |
| Material | STEEL CELL |
| 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 |
|---|---|
| D16700SIZE9 PRIMARY | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S3801-3-116-394SIZE9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-00-256-9668 is a Flame Arrester,ventilation-Exhau, manufactured by Falls Filtration Technologies, Inc., classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-256-9668 has 1 manufacturer part number on file: D16700SIZE9 (Falls Filtration Technologies, Inc.).
Key specifications for D16700SIZE9: Overall Height: 18.000 INCHES NOMINAL IN; Air Flow Capacity Range: +450.0 TO 900.0 CUBIC FEET PER MINUTE; Screen Cell Quantity: 1; Overall Length: 9.000 INCHES NOMINAL IN. 6 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.