The Manifold,intake, cataloged under National Stock Number 2990-01-337-0203, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-337-0203 |
| Primary Part Number | 3777E221 |
| Item Name | Manifold,intake |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Inlet Quantity | 1 |
| Outlet Connection Bolt Hole Quantity | 2 |
| Inlet Connection Type | FLANGED |
| Bolt Hole Quantity | 2 |
| Outlet End Connection Type | FLANGED |
| 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 |
|---|---|
| 3777E221 PRIMARY | Perkins Engines Inc (USA) |
| 1306222 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| Reference | Meaning |
|---|---|
| 1306222 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 3777E142 | 5/9 Secondary reference Perkins Engines Inc |
NSN 2990-01-337-0203 is a Manifold,intake, manufactured by Perkins Engines Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-337-0203 has 2 manufacturer part numbers on file: 3777E221 (Perkins Engines Inc), 1306222 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).
Key specifications for 3777E221: Inlet Quantity: 1; Outlet Connection Bolt Hole Quantity: 2; Inlet Connection Type: FLANGED; Bolt Hole Quantity: 2. 5 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.