The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-441-7319, 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 Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5999-01-441-7319 |
| Primary Part Number | 1347H71-95 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BRACKET(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | QQ-S-365B FED SPEC SINGLE TREATMENT RESPONSE |
| Body Style | EXTRUDED |
| Precious Material | SILVER |
| Material Document and Classification | MIL-T-16420 MIL SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | SILVER |
| Material | COPPER ALLOY 110 |
| 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 | 9.5000 lbs |
| Cube | 0.6944 cu ft |
| Part Number | Manufacturer |
|---|---|
| 5D63020G02 | Dynatherm Corp (USA) |
| 5D63020G02 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 1347H71-95 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
NSN 5999-01-441-7319 is a Heat Sink,electrical-Electronic, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-441-7319 has 3 manufacturer part numbers on file: 5D63020G02 (Dynatherm Corp), 5D63020G02 (Northrop Grumman Systems Corporation Div Marine Systems), 1347H71-95 (Northrop Grumman Systems Corporation Div Marine Systems).
Key specifications for 1347H71-95: Mounting Facility Type and Quantity: 1 BRACKET(S) SINGLE MOUNTING FACILITY; Overall Height: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-S-365B FED SPEC SINGLE TREATMENT RESPONSE; Body Style: EXTRUDED. 7 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.