The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-341-5656, 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 Rockwell Collins, Inc. Dba Rc Displays Systems. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-341-5656 |
| Primary Part Number | PC96030-1 |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Unthreaded Mounting Hole Diameter | 0.129 INCHES MINIMUM AND 0.177 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Material Document and Classification | QQ-A-250,ALLOY 1100-H14 OR 3003-H14 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| PC96030-1 PRIMARY | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
| Reference | Meaning |
|---|---|
| A-006-738-37 | C/1 Advisory reference — outside the item-of-supply concept Boyd Laconia Llc |
| 10139704 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| A-006-738-37 | 5/9 Secondary reference Aavid Thermalloy Llc |
| 6104C-TOP | 5/9 Secondary reference Thermalloy Co Inc |
| PC96030-1 | 5/9 Secondary reference Thermalloy Co Inc |
| 5204C-TOP | 5/9 Secondary reference Aavid Thermalloy Llc |
NSN 5999-01-341-5656 is a Heat Sink,electrical-Electronic, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-341-5656 has 1 manufacturer part number on file: PC96030-1 (Rockwell Collins, Inc. Dba Rc Displays Systems).
Key specifications for PC96030-1: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.405 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Unthreaded Mounting Hole Diameter: 0.129 INCHES MINIMUM AND 0.177 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN. 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.