The Adapter,exhaust, cataloged under National Stock Number 2990-01-117-0813, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 1 specification, 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. 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 | 2990-01-117-0813 |
| Primary Part Number | 72-2157 |
| Item Name | Adapter,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL IRON PER ASTM-A47; CADMIUM PLATED PER FED SPEC QQ-P-416; 1.930 IN. O/A LG; ONE END 2.625 IN. OD WITH FOUR SLOTS EQUALLY SPACED; SLOT 0.750 IN. LONG BY 0.060 IN. WIDE; OTHER END THD INTERNAL 2.500 IN. NPTF IN |
| 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 |
|---|---|
| 72-2157 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 2990-01-117-0813 is a Adapter,exhaust, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-117-0813 has 1 manufacturer part number on file: 72-2157 (Department of Defense Project Manager-Mobile Electric Power).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-294-4773. Verify interchangeability with system specifications before substitution.
Key specifications for 72-2157: General Characteristics Item Description: MATERIAL IRON PER ASTM-A47; CADMIUM PLATED PER FED SPEC QQ-P-416; 1.930 IN. O/A LG; ONE END 2.625 IN. OD WITH FOUR SLOTS EQUALLY SPACED; SLOT 0.750 IN. LONG BY 0.060 IN. WIDE; OTHER END THD INTERNAL 2.500 IN. NPTF IN. 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.