The Pipe,exhaust, cataloged under National Stock Number 2990-01-100-0811, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Morris Material Handling, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-100-0811 |
| Primary Part Number | 27Z380D4 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Morris Material Handling, Inc. |
| Status | ACTIVE |
| Design Form | PREBENT |
| Usage Location | EXHAUST PIPE |
| 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 |
|---|---|
| 27Z380D4 PRIMARY | Morris Material Handling, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 27Z380D4 | C/1 Advisory reference — outside the item-of-supply concept Ppm Cranes Inc |
| AA400 | 5/9 Secondary reference Riker Products |
NSN 2990-01-100-0811 is a Pipe,exhaust, manufactured by Morris Material Handling, Inc., classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-100-0811 has 1 manufacturer part number on file: 27Z380D4 (Morris Material Handling, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 6635-01-564-1803, 6625-01-580-7727. Verify interchangeability with system specifications before substitution.
Key specifications for 27Z380D4: Design Form: PREBENT; Usage Location: EXHAUST PIPE. 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.