The Sensor,engine Coolant Temperatur, cataloged under National Stock Number 2990-01-605-7490, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wema Inc. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-605-7490 |
| Primary Part Number | SSS-8.5 |
| Item Name | Sensor,engine Coolant Temperatur |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Wema Inc |
| Status | ACTIVE |
| Vehicle Design Control Activity | 3D3T0 |
| 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 |
|---|---|
| SSS-8.5 PRIMARY | Wema Inc (USA) |
NSN 2990-01-605-7490 is a Sensor,engine Coolant Temperatur, manufactured by Wema Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-605-7490 has 1 manufacturer part number on file: SSS-8.5 (Wema Inc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-605-8585. Verify interchangeability with system specifications before substitution.
Key specifications for SSS-8.5: Vehicle Design Control Activity: 3D3T0; Part Name Assigned by Controlling Agency: SENSRO FUEL TANK; End Item Identification: BOAT, PATROL. 1 specification is 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.