The Flange,exhaust Pipe, cataloged under National Stock Number 2990-01-178-5531, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Senior Flexonics /canada/ Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2990-01-178-5531 |
| Primary Part Number | 1016288 |
| Item Name | Flange,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Senior Flexonics /canada/ Ltd |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Flange Shape | RECTANGULAR |
| Flange Length | 131.0 MILLIMETERS NOMINAL MM |
| Flange Width | 9.530 INCHES NOMINAL IN |
| 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 |
|---|---|
| 10526051 | General Dynamics Land Systems Canadacorp (CAN) |
| 1016288 PRIMARY | Senior Flexonics /canada/ Ltd (CAN) |
| Reference | Meaning |
|---|---|
| 1014268 | 5/9 Secondary reference Senior Flexonics /canada/ Ltd |
| 10510859 | 5/9 Secondary reference General Dynamics Land Systems Canadacorp |
NSN 2990-01-178-5531 is a Flange,exhaust Pipe, manufactured by Senior Flexonics /canada/ Ltd, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-178-5531 has 2 manufacturer part numbers on file: 10526051 (General Dynamics Land Systems Canadacorp), 1016288 (Senior Flexonics /canada/ Ltd).
Key specifications for 1016288: Mounting Hole Quantity: 4; Flange Shape: RECTANGULAR; Flange Length: 131.0 MILLIMETERS NOMINAL MM; Special Features: BODY IS PREBENT. 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.