The Heat Sink-Insulator, cataloged under National Stock Number 5999-01-435-5964, 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 R. S. L. Electronics Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | R. S. L. Electronics Limited (CAGE 0368A) |
| Parameter | Value |
|---|---|
| NSN | 5999-01-435-5964 |
| Primary Part Number | TA00045 |
| Item Name | Heat Sink-Insulator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | R. S. L. Electronics Limited |
| 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 |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Part Number | Manufacturer |
|---|---|
| TA00045 | R. S. L. Electronics Limited (ISR) |
| Reference | Meaning |
|---|---|
| TA00045 | 5/9 Secondary reference Rsl Electronics Ltd |
| 7687 | 3/2 Design control — primary reference U.S. Government activity |
| TA00045 | C/1 Advisory reference — outside the item-of-supply concept Opgal-Optronic Industries Ltd. |
NSN 5999-01-435-5964 is a Heat Sink-Insulator, manufactured by R. S. L. Electronics Limited, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-435-5964 has 1 manufacturer part number on file: TA00045 (R. S. L. Electronics Limited).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-578-1177. Verify interchangeability with system specifications before substitution.
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.