The Connector,exhaust Pipe, cataloged under National Stock Number 2990-01-217-8151, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Mfg Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-217-8151 |
| Primary Part Number | 40550 |
| Item Name | Connector,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Walker Mfg Co |
| Status | ACTIVE |
| Design Form | PREBENT |
| 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 |
|---|---|
| 40550 PRIMARY | Walker Mfg Co (USA) |
| 14015701 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 14015701 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 14015701 | 5/9 Secondary reference Alvis Aerospace & Transmissions |
NSN 2990-01-217-8151 is a Connector,exhaust Pipe, manufactured by Walker Mfg Co, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-217-8151 has 2 manufacturer part numbers on file: 40550 (Walker Mfg Co), 14015701 (General Motors Llc Dba General Motors Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-293-7820, 5950-01-676-7281. Verify interchangeability with system specifications before substitution.
Key specifications for 40550: Design Form: PREBENT; End Item Identification: TRUCK,GMC CORP.,MODEL 1980-82 W/350 CU. IN. ENGINE W. 1 specification is 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.