The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-321-5050, 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 Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-321-5050 |
| Primary Part Number | 352-9105-160 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters |
| Status | ACTIVE |
| 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 |
|---|---|
| 352-9105-160 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters (USA) |
| Reference | Meaning |
|---|---|
| 352-9105-160 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 3223-07FR-44 | 5/9 Secondary reference Henkel Corporation |
NSN 5999-01-321-5050 is a Heat Sink-Insulator, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-321-5050 has 1 manufacturer part number on file: 352-9105-160 (Rockwell Collins, Inc. Dba Collins Aerospace Military Avionics & Helicopters Div Collins Aerospace - Military Avionics & Helicopters).
Key specifications for 352-9105-160: Special Features: CHO-THERM 1674 COLOR BLUE,SIL-PAD 400 COLOR GREY; 0.400 IN. DIA.; 0.006 IN. MIN. TO 0.008 IN. MAX. THK; (3) 0.040 IN. DIA. MTG HOLES SPACED 90.0 DEG. ON A 0.200 IN. RADIUS IN. 0 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.