The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-098-8864, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5999-01-098-8864 |
| Primary Part Number | 21476-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — No Item Name Available |
| Manufacturer | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 2024 |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21476-1 PRIMARY | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA) |
NSN 5999-01-098-8864 is a Heat Sink,electrical-Electronic, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5999 (No Item Name Available). Status: active.
NSN 5999-01-098-8864 has 1 cross-referenced part number: 21476-1 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).
There are 3 known substitutes for 5999-01-098-8864: 5961-00-405-8392, 5930-00-941-6649, 5985-01-314-6495. Verify interchangeability with system specifications before substitution.
Key specifications for 21476-1: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Material: ALUMINUM ALLOY 2024; Overall Height: 1.560 INCHES NOMINAL IN; Overall Length: 1.325 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.