The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-384-9028, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ge Medical Systems Information Technologies, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-384-9028 |
| Primary Part Number | 400639-001 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Ge Medical Systems Information Technologies, Inc. |
| Status | ACTIVE |
| Purchase Description Identification | 50542-400639-001 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | L |
| Part Number | Manufacturer |
|---|---|
| 400639-001 PRIMARY | Ge Medical Systems Information Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| LL-H36-4592 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 5999-01-384-9028 is a Heat Sink-Insulator, manufactured by Ge Medical Systems Information Technologies, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-384-9028 has 1 manufacturer part number on file: 400639-001 (Ge Medical Systems Information Technologies, Inc.).
Key specifications for 400639-001: Purchase Description Identification: 50542-400639-001; Special Features: FOR USE ON ELECTROCARDIOGRAPH; MDL. MAC 6; End Item Identification: 6515-01-139-7595. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.