The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-352-3271, 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 Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-352-3271 |
| Primary Part Number | 016-003149-012 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 FRICTION SINGLE MOUNTING FACILITY |
| Material | GLASS FIBER AND 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 | J |
| Part Number | Manufacturer |
|---|---|
| 69-12-D120-1671 | Parker-Hannifin Corporation Dba Chomerics Division Div Chomerics Division (USA) |
| 016-003149-012 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 16-10030 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
| BG60612 | 5/9 Secondary reference Henkel Corporation |
NSN 5999-01-352-3271 is a Heat Sink-Insulator, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-352-3271 has 2 manufacturer part numbers on file: 69-12-D120-1671 (Parker-Hannifin Corporation Dba Chomerics Division Div Chomerics Division), 016-003149-012 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-702-2464. Verify interchangeability with system specifications before substitution.
Key specifications for 016-003149-012: Mounting Facility Type and Quantity: 1 FRICTION SINGLE MOUNTING FACILITY; Material: GLASS FIBER AND RUBBER SILICONE CLASS Q. 2 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.