The Heat Shield,exhaust, cataloged under National Stock Number 2990-01-658-9601, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Nott Company. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-658-9601 |
| Primary Part Number | S-E13170-64-8 |
| Item Name | Heat Shield,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Nott Company |
| Status | ACTIVE |
| Inside Diameter | 4.0 INCHES NOMINAL IN |
| Material | GLASS FIBER |
| 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 |
|---|---|
| S-E13170-64-8 PRIMARY | Nott Company (USA) |
| 12602100 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12602100 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 2990-01-658-9601 is a Heat Shield,exhaust, manufactured by Nott Company, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-658-9601 has 2 manufacturer part numbers on file: S-E13170-64-8 (Nott Company), 12602100 (Oshkosh Defense Llc).
Key specifications for S-E13170-64-8: Overall Length: 7.5 INCHES NOMINAL IN; Inside Diameter: 4.0 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: INSULATOR, SOCK; End Item Identification: 016525208. 2 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.