The Insulation,exhaust, cataloged under National Stock Number 2990-00-682-5113, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Thermal Structures, Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Insulation,exhaust |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Valcom Manufacturing Group Inc (CAGE 35736); Tighitco Inc. (CAGE 22013); Thermal Structures, Inc (CAGE 54787) |
| Parameter | Value |
|---|---|
| NSN | 2990-00-682-5113 |
| Primary Part Number | 371230 |
| Item Name | Insulation,exhaust |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Thermal Structures, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 66-22364 | Valcom Manufacturing Group Inc (CAN) |
| 371230 | Tighitco Inc. (USA) |
| 371230 PRIMARY | Thermal Structures, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1369AS164-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 371230 | 3/2 Design control — primary reference U.S. Government activity |
| 371230 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 2990-00-682-5113 is a Insulation,exhaust, manufactured by Thermal Structures, Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-682-5113 has 3 manufacturer part numbers on file: 66-22364 (Valcom Manufacturing Group Inc), 371230 (Tighitco Inc.), 371230 (Thermal Structures, Inc).
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.