The Heater,aircraft Engine Maintenan, cataloged under National Stock Number 4920-01-343-1682, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Te Connectivity Corporation Dba Raychem Product Division. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-343-1682 |
| Primary Part Number | HT-900B-30-HT-TOOL-OLIVE |
| Item Name | Heater,aircraft Engine Maintenan |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| 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 |
|---|---|
| HT-900B-30-HT-TOOL-OLIVE PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| HT-900B | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 4920PL1615991 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| HT-900B | 3/9 Design control — primary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 4920-01-343-1682 is a Heater,aircraft Engine Maintenan, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-343-1682 has 2 manufacturer part numbers on file: HT-900B-30-HT-TOOL-OLIVE (Te Connectivity Corporation Dba Raychem Product Division), HT-900B (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for HT-900B-30-HT-TOOL-OLIVE: Overall Height: 8.000 INCHES NOMINAL IN; Overall Length: 17.000 INCHES NOMINAL IN; Overall Width: 10.000 INCHES NOMINAL IN; End Item Identification: SPECIAL ACFT AND ENG TOOL AND SUPPORT EQUIP AND PARTS. 0 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.