The Elbow Assembly,exhaust, cataloged under National Stock Number 2040-00-344-8450, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-344-8450 |
| Item Name | Elbow Assembly,exhaust |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| FSC Application Data | USED ON STERN SECTION OF HULL FOR BRIDGE ERECTION BOAT FSN 1940-289-6731 |
| General Characteristics Item Description | CRES CAST STEEL FLANGE WELDED TO CRES STEEL TUBING OF TWO SIZES WITH2-3/4 IN. OD TUBE INSIDE TUBE OF 3-1/4 IN. OD,DEVELOPED LG APPROX 68-1/4IN.,BOTH TUBES WELDED TO CRES STEEL RING IN TURN WELDED TO COUPLING HAVING2-1/2 IN. NPT THD,WITH BOSS ON LEFT SIDE FOR 1/8 IN. IPT BRASS PIPE PLUG,AND ELBOW OF 1 IN. OD CRES STEEL TUBE WELDED TO OUTER TUBE 1-3/4 IN. FROMTHD COUPLING AS ESCAPE FOR EXHAUST COOLANT,ALL TUBING IN ACCORDANCE WITHMIL-T-8506 TYPE I IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7407-19-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-00-344-8450 is a Elbow Assembly,exhaust, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-00-344-8450: FSC Application Data: USED ON STERN SECTION OF HULL FOR BRIDGE ERECTION BOAT FSN 1940-289-6731; General Characteristics Item Description: CRES CAST STEEL FLANGE WELDED TO CRES STEEL TUBING OF TWO SIZES WITH2-3/4 IN. OD TUBE INSIDE TUBE OF 3-1/4 IN. OD,DEVELOPED LG APPROX 68-1/4IN.,BOTH TUBES WELDED TO CRES STEEL RING IN TURN WELDED TO COUPLING HAVING2-1/2 IN. NPT THD,WITH BOSS ON LEFT SIDE FOR 1/8 IN. IPT BRASS PIPE PLUG,AND ELBOW OF 1 IN. OD CRES STEEL TUBE WELDED TO OUTER TUBE 1-3/4 IN. FROMTHD COUPLING AS ESCAPE FOR EXHAUST COOLANT,ALL TUBING IN ACCORDANCE WITHMIL-T-8506 TYPE I IN. 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.