The Heat Sink,electrical-Electronic, cataloged under National Stock Number 5999-01-481-8619, 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 Pc Importers Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-481-8619 |
| Primary Part Number | XT-285-B-SC |
| Item Name | Heat Sink,electrical-Electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Pc Importers Inc |
| Status | ACTIVE |
| Body Style | EXTRUDED |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| XT-285-B-SC | Pc Importers Inc (USA) |
| Reference | Meaning |
|---|---|
| 1813493-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
| 1813493 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5999-01-481-8619 is a Heat Sink,electrical-Electronic, manufactured by Pc Importers Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-481-8619 has 1 manufacturer part number on file: XT-285-B-SC (Pc Importers Inc).
Key specifications for XT-285-B-SC: Overall Height: 25.000 INCHES NOMINAL IN; Body Style: EXTRUDED; Overall Length: 68.300 INCHES NOMINAL IN; Special Features: PENTIUM PRO CPU COLLER, NEXT ASSY GEN USE, USED ON GEN USE, FAN SIZE 50MM, FAN BEARING TYPE BALL, MOUNTING CONFIGURATION SOCKET CLIP MM. 1 specification is 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.