The Switch,engine Temperature,automo, cataloged under National Stock Number 2990-01-388-4857, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2990-01-388-4857 |
| Primary Part Number | 2602797-1 |
| Item Name | Switch,engine Temperature,automo |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CARTRIDGE TYPE,W/ONE END THD 1/8-27 NPT-2A AND OPPOSITE END A |
| 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 |
|---|---|
| 2602797-1 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| SP-143-TM | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
| HA105 PRIMARY | S.s. White Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2602797 | 7/2 Vendor item drawing reference Cosmodyne, Llc Dba Cosmodyne Llc |
NSN 2990-01-388-4857 is a Switch,engine Temperature,automo, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-388-4857 has 3 manufacturer part numbers on file: 2602797-1 (Cosmodyne, Llc Dba Cosmodyne Llc), SP-143-TM (Cosmodyne, Llc Dba Cosmodyne Llc), HA105 (S.s. White Technologies, Inc.).
Key specifications for 2602797-1: General Characteristics Item Description: CARTRIDGE TYPE,W/ONE END THD 1/8-27 NPT-2A AND OPPOSITE END A. 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.