The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-412-0459, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-412-0459 |
| Primary Part Number | 2037A883-03 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| Body Style | BOARD MOUNTEDBOARD MOUNTED |
| Unthreaded Mounting Hole Diameter | 0.062 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Unthreaded Mounting Hole Diameter | 0.122 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Material | RUBBER SILICONE CLASS Q AND GLASS FIBER |
| 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 | J |
| Weight | 0.0200 lbs |
| Cube | 0.0026 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2037A883-03 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2015-04 | 5/9 Secondary reference Henkel Corporation |
| 10129278 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5999-01-412-0459 is a Heat Sink-Insulator, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-412-0459 has 1 manufacturer part number on file: 2037A883-03 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2037A883-03: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Overall Height: 1.140 INCHES NOMINAL1.140 INCHES NOMINAL IN; Body Style: BOARD MOUNTEDBOARD MOUNTED. 6 specifications are 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.