The Insulation,vehicular, cataloged under National Stock Number 2990-01-678-7401, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Milcut, Inc. Dba Milcut Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-678-7401 |
| Primary Part Number | C37312 |
| Item Name | Insulation,vehicular |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Milcut, Inc. Dba Milcut Inc |
| Status | ACTIVE |
| Temp Rating | 246.0 CELSIUS DEGC |
| Layer Environmental Protection | HEAT RESISTANT |
| Mounting Method | ADHESIVE TAPE |
| Mounting Position | UNIVERSAL |
| Overall Thickness | 6.65 MILLIMETERS NOMINAL MM |
| Primary Use Designation | HEAT AND ACOUSTICAL |
| Material | ALUMINUM FOIL FACING |
| Material | PLASTIC POLYESTER INSULATION |
| Layer Quantity | 2 |
| 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 |
|---|---|
| C37312 PRIMARY | Milcut, Inc. Dba Milcut Inc (USA) |
| Reference | Meaning |
|---|---|
| 12605953 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12605953 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
NSN 2990-01-678-7401 is a Insulation,vehicular, manufactured by Milcut, Inc. Dba Milcut Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-678-7401 has 1 manufacturer part number on file: C37312 (Milcut, Inc. Dba Milcut Inc).
Key specifications for C37312: Temp Rating: 246.0 CELSIUS DEGC; Layer Environmental Protection: HEAT RESISTANT; Mounting Method: ADHESIVE TAPE; Mounting Position: UNIVERSAL. 9 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.