The Pipe,exhaust, cataloged under National Stock Number 2990-00-678-3242, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-00-678-3242 |
| Primary Part Number | 7331267 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 FLANGE |
| Design Form | STRAIGHT |
| Wall Thickness | 0.0480 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.500 INCHES IN |
| Surface Treatment | ALUMINUM |
| 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 |
|---|---|
| 44537 | Walker Mfg Co (USA) |
| 7331267 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| J3229855 | 3/2 Design control — primary reference U.S. Government activity |
| J3232416 | 3/2 Design control — primary reference U.S. Government activity |
| 3229855 | 5/9 Secondary reference Kenosha Automotive Plant Sub of American Motors Corp |
| 3232416 | 5/9 Secondary reference Kenosha Automotive Plant Sub of American Motors Corp |
| 2990006783242 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 323780 | 5/9 Secondary reference U.S. Government activity |
| 3237830 | 5/9 Secondary reference Kenosha Automotive Plant Sub of American Motors Corp |
| 3229855 | 5/9 Secondary reference U.S. Government activity |
| 344299 | 3/2 Design control — primary reference U.S. Government activity |
| 3232416 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-00-678-3242 is a Pipe,exhaust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-678-3242 has 2 manufacturer part numbers on file: 44537 (Walker Mfg Co), 7331267 (U S Army Tank Automotive Command Amsta-Im-Mm).
5 possible matches (shared part number, not a government interchangeability claim): 5845-00-757-3288, 5365-01-013-3532, 5996-01-412-1379. Verify interchangeability with system specifications before substitution.
Key specifications for 7331267: Furnished Items and Quantity: 2 FLANGE; Design Form: STRAIGHT; Wall Thickness: 0.0480 INCHES NOMINAL IN; Nominal Outside Diameter: 1.500 INCHES IN. 6 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.