The Pipe,exhaust, cataloged under National Stock Number 2990-01-126-6157, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-126-6157 |
| Primary Part Number | 4201831 |
| Item Name | Pipe,exhaust |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Nominal Overall Length | 4.000 INCHES IN |
| Material | STEEL COMP 321 OR STEEL COMP 347 |
| Wall Thickness | 0.0350 INCHES NOMINAL IN |
| Nominal Outside Diameter | 1.500 INCHES IN |
| Design Form | STRAIGHT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4201831 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
NSN 2990-01-126-6157 is a Pipe,exhaust, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 2990 (No Item Name Available). Status: active.
NSN 2990-01-126-6157 has 1 cross-referenced part number: 4201831 (Bae Systems Land & Armaments L.p.).
There is 1 known substitute for 2990-01-126-6157: 1720-00-003-8995. Verify interchangeability with system specifications before substitution.
Key specifications for 4201831: Nominal Overall Length: 4.000 INCHES IN; Material: STEEL COMP 321 OR STEEL COMP 347; Wall Thickness: 0.0350 INCHES NOMINAL IN; Nominal Outside Diameter: 1.500 INCHES IN. 5 total characteristics are documented in the Federal Logistics Information System.