The Connector,exhaust Pipe, cataloged under National Stock Number 2990-01-669-0210, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-669-0210 |
| Primary Part Number | 12544212 |
| Item Name | Connector,exhaust Pipe |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Pipe/tube Second End Nominal Inside Diameter | 1.615 INCHES IN |
| Design Form | PREBENT |
| Bend Angle in Deg | 100.2676 |
| Wall Thickness | 0.065 INCHES NOMINAL IN |
| Pipe/tube First End Nominal Outside Diameter | 1.895 INCHES IN |
| Pipe/tube Second End Nominal Outside Diameter | 1.750 INCHES IN |
| Centerline Radius | 0.885 INCHES NOMINAL IN |
| First End Connection Type | UNTHREADED EXTERNAL PIPE/TUBE |
| Material | STEEL COMP 304 OR STEEL COMP 316 |
| Nominal Leg Length | 3.00 INCHES IN |
| Second End Connection Type | UNTHREADED INTERNAL PIPE/TUBE |
| Pipe/tube First End Nominal Inside Diameter | 1.770 INCHES 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 |
|---|---|
| 12544212 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2990-01-669-0210 is a Connector,exhaust Pipe, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-669-0210 has 1 manufacturer part number on file: 12544212 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12544212: Pipe/tube Second End Nominal Inside Diameter: 1.615 INCHES IN; Design Form: PREBENT; Bend Angle in Deg: 100.2676; Wall Thickness: 0.065 INCHES NOMINAL IN. 12 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.