The Flame Arrester,ventilation-Exhau, cataloged under National Stock Number 2040-01-535-9485, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Robert H Wager Co Inc. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-535-9485 |
| Primary Part Number | SCRN-3-1/4SS |
| Item Name | Flame Arrester,ventilation-Exhau |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Robert H Wager Co Inc |
| Status | ACTIVE |
| Size Designator | 1/4 X 1/4 MESH |
| Housing Material | STEEL CORROSION RESISTING |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 3-1750TSG ITEM NO. 6 | Robert H Wager Co Inc (USA) |
| 3-1750FBC ITEM NO. 6 | Robert H Wager Co Inc (USA) |
| SCRN-3-1/4SS PRIMARY | Robert H Wager Co Inc (USA) |
NSN 2040-01-535-9485 is a Flame Arrester,ventilation-Exhau, manufactured by Robert H Wager Co Inc, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-535-9485 has 3 manufacturer part numbers on file: 3-1750TSG ITEM NO. 6 (Robert H Wager Co Inc), 3-1750FBC ITEM NO. 6 (Robert H Wager Co Inc), SCRN-3-1/4SS (Robert H Wager Co Inc).
Key specifications for SCRN-3-1/4SS: Size Designator: 1/4 X 1/4 MESH; Special Features: 3 INCH DIAMETER; STAINLESS (1615SS) IN; Part Name Assigned by Controlling Agency: PROTECTIVE SCREEN; End Item Identification: 4820-01-535-8888; INVERTED VENT CHECK VALVE, 3" FLANGED. 3 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.