The Breather, cataloged under National Stock Number 3040-01-315-3945, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Magnaloy Coupling Co Div of Douville-Johnston Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-315-3945 |
| Primary Part Number | FB-A008XG |
| Item Name | Breather |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Magnaloy Coupling Co Div of Douville-Johnston Corp |
| Status | ACTIVE |
| Outside Diameter | 2.500 INCHES MAXIMUM IN |
| Body Material | STEEL |
| 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 |
|---|---|
| FB-A008XG PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| Reference | Meaning |
|---|---|
| A-100-X-G | 5/9 Secondary reference Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
NSN 3040-01-315-3945 is a Breather, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-315-3945 has 1 manufacturer part number on file: FB-A008XG (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for FB-A008XG: Outside Diameter: 2.500 INCHES MAXIMUM IN; Overall Length: 6.250 INCHES MAXIMUM IN; Body Material: STEEL; Special Features: CRES CAP;20.0 GPM AIR FLOW RATE;10.0 NOM MICRON FILTRATION,2 LOCKING TABS,DIMPLED FOR HAND REMOVAL,RETAINING CHAIN;BRONZE 30.0 MESH FILLER SCREEN;SCREEN GUARD;MOUNTING FLANGE W/GASKETS AND 6 MOUNTING SCREWS. 2 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.