The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-357-8902, 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 Lockheed Martin Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-357-8902 |
| Primary Part Number | 717538212-001 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 | JN |
| Weight | 0.0150 lbs |
| Cube | 0.0006 cu ft |
| Part Number | Manufacturer |
|---|---|
| 717538212-001 PRIMARY | Lockheed Martin Corporation (USA) |
| BG40773 | Henkel Corporation (USA) |
NSN 5999-01-357-8902 is a Heat Sink-Insulator, manufactured by Lockheed Martin Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-357-8902 has 2 manufacturer part numbers on file: 717538212-001 (Lockheed Martin Corporation), BG40773 (Henkel Corporation).
Key specifications for 717538212-001: Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Diameter: 0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 3 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.