The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-251-3656, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-251-3656 |
| Primary Part Number | 9S7148 |
| Item Name | Cap Assembly,protective,muffler- |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Material | STEEL |
| Pipe Outside Diameter Accommodated | 5.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1236573H1 | Komatsu America Corp. (USA) |
| 7W3895 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 628013C91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 734402C91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 717398C91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 734402C91 | Dressta North America Ltd (USA) |
| 11093 | Gleason Corp Anthes Div (USA) |
| 628013C91 | Dressta North America Ltd (USA) |
| 7C1399 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 11093B | Gleason Corp Anthes Div (USA) |
| 1C4936 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 9S7148 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 1236573H1 | Komatsu American Intl Co (USA) |
| 11097B | Gleason Corp Anthes Div (USA) |
NSN 2990-00-251-3656 is a Cap Assembly,protective,muffler-, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-00-251-3656 has 14 cross-referenced part numbers: 1236573H1 (Komatsu America Corp.), 7W3895 (Caterpillar Inc Div Caterpillar Defense), 628013C91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 734402C91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 717398C91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/) and 9 more.
There are 12 known substitutes for 2990-00-251-3656: 4720-00-103-9279, 5340-00-394-6358, 5935-00-439-9966 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9S7148: Special Features: PAINTED BLACK FINISH; Material: STEEL; Pipe Outside Diameter Accommodated: 5.000 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.