The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-353-7929, 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 Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-353-7929 |
| Primary Part Number | 871397-1 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 7 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 871397-1 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 871397-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 871397-1 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5999-01-353-7929 is a Heat Sink-Insulator, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-353-7929 has 1 manufacturer part number on file: 871397-1 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 871397-1: Mounting Facility Type and Quantity: 7 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.015 INCHES NOMINAL0.015 INCHES NOMINAL IN; Unthreaded Mounting Hole Diameter: 0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Overall Length: 4.060 INCHES NOMINAL4.060 INCHES NOMINAL 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.