The Pipe,exhaust, cataloged under National Stock Number 2990-01-470-7119, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Phillips and Temro Industries Inc E M Products Div. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-470-7119 |
| Primary Part Number | FLEX-021034 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Phillips and Temro Industries Inc E M Products Div |
| Status | ACTIVE |
| End Item Model Number | 96-805 AND 96-815 |
| End Item Source | 30554 |
| Surface Treatment Document and Classification | ASTMA463 T1 25 ASSN STD SINGLE TREATMENT RESPONSE |
| Design Form | CONVOLUTED |
| Reduced End Length | 18.170 INCHES NOMINAL IN |
| Nominal Overall Length | 19.420 INCHES IN |
| Material Document and Classification | ASTMA787 ASSN STD 1ST MATERIAL RESPONSE AND ASTMA463 T1 25 ASSN STD 1ST MATERIAL RESPONSE AND TYPE 304 ASSN STD 2ND MATERIAL RESPONSE |
| Enlarged End Inside Diameter | 3.500 INCHES NOMINAL IN |
| Wall Thickness | 0.0630 INCHES NOMINAL IN |
| Reduced End Outside Diameter | 3.000 INCHES NOMINAL IN |
| End Item Name | GENERATOR SET, DIESEL ENGINE |
| Enlarged End Length | 1.250 INCHES NOMINAL IN |
| Nominal Outside Diameter | 4.0000 INCHES IN |
| Surface Treatment | ALUMINUM |
| Material | STEEL CORROSION RESISTING AND STEEL COMP 304 |
| 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 |
|---|---|
| FLEX-021034 PRIMARY | Phillips and Temro Industries Inc E M Products Div (USA) |
| Reference | Meaning |
|---|---|
| 021034 | 5/9 Secondary reference Phillips and Temro Industries Inc E M Products Div |
| 96-23598 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
| 96-23598 | 5/9 Secondary reference Mc2 Contractors Inc |
NSN 2990-01-470-7119 is a Pipe,exhaust, manufactured by Phillips and Temro Industries Inc E M Products Div, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-470-7119 has 1 manufacturer part number on file: FLEX-021034 (Phillips and Temro Industries Inc E M Products Div).
1 possible match (shared part number, not a government interchangeability claim): 6545-01-499-5671. Verify interchangeability with system specifications before substitution.
Key specifications for FLEX-021034: End Item Model Number: 96-805 AND 96-815; End Item Source: 30554; Surface Treatment Document and Classification: ASTMA463 T1 25 ASSN STD SINGLE TREATMENT RESPONSE; Design Form: CONVOLUTED. 15 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.