The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-122-0658, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-122-0658 |
| Primary Part Number | 321574R91 |
| Item Name | Cap Assembly,protective,muffler- |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Dressta North America Ltd |
| Status | CANCELLED |
| Material | STEEL |
| Pipe Outside Diameter Accommodated | 2.688 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 321574R91 PRIMARY | Dressta North America Ltd (USA) |
| 13217E0544-2 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 538800-2 | West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc) (USA) |
| Q88-29 | Air-a-Plane Corp (USA) |
| 77-250 | Mercury Products Corp (USA) |
| 321574R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 565317 | Freudenberg Sealing Technologies (FRA) |
| 64180M91 | Massey-Ferguson Inc Gear and Shaft Plant Div (USA) |
| C4-30 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| 11007 | Gleason Corp Anthes Div (USA) |
| 538454 | Freudenberg Sealing Technologies (FRA) |
| 764180M91 | Massey-Ferguson Inc Gear and Shaft Plant Div (USA) |
| 66C43118 | Sacramento Air Logistics Center Sm-Alc/liil (USA) |
| FB0019 PRIMARY | Mercury Products Corp (USA) |
| 283280R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 11007SIZE6 | Gleason Corp (USA) |
| 71277-7 | Little Giant Crane and Shovel Inc (USA) |
| D28028 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 13217E0544 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| 283280R91 | Navistar International Corporation Dba Navistar (USA) |
NSN 2990-00-122-0658 is a Cap Assembly,protective,muffler-, manufactured by Dressta North America Ltd, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-122-0658 has 26 cross-referenced part numbers: 321574R91 (Dressta North America Ltd), 13217E0544-2 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 538800-2 (West Salem Machinery Company Dba West Salem Machinery Div Gerlinger Carrier Company (gcc)), Q88-29 (Air-a-Plane Corp), 77-250 (Mercury Products Corp) and 21 more.
There are 12 known substitutes for 2990-00-122-0658: 4320-00-031-1508, 5365-00-136-4530, 5136-00-203-6511 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 321574R91: Special Features: W/MOUNTING HARDWARE; Material: STEEL; Pipe Outside Diameter Accommodated: 2.688 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-122-0658 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.