The Heater,coolant,engine, cataloged under National Stock Number 2990-01-511-4583, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-01-511-4583 |
| Primary Part Number | 107-9652 |
| Item Name | Heater,coolant,engine |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Furnished Items and Quantity | 2UT (M8X1 THD); 2 GASKET; 1 STUD-BOLT (M8X1.25X130MM OAL); 22 BOLT (M8X1.25X70MM); 24 WASHER (2MM THK); 1 NUT (M8X1.25 THD); 1 STRAP-GROUNDING MM |
| 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 |
|---|---|
| 107-9652 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 2990-01-511-4583 is a Heater,coolant,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-511-4583 has 1 manufacturer part number on file: 107-9652 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 107-9652: Special Features: NHA HEATER GP-AIR INLET FOR ELECTRICAL & STARTING SYS; Part Name Assigned by Controlling Agency: HEATER ASSEMBLY; End Item Identification: 3805-01-497-0697, SCRAPER TRACTOR; Furnished Items and Quantity: 2UT (M8X1 THD); 2 GASKET; 1 STUD-BOLT (M8X1.25X130MM OAL); 22 BOLT (M8X1.25X70MM); 24 WASHER (2MM THK); 1 NUT (M8X1.25 THD); 1 STRAP-GROUNDING MM. 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.