The Light-Switch, cataloged under National Stock Number 5999-01-669-2609, 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 Mercury Systems, Inc. Dba Mercury Systems, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-669-2609 |
| Primary Part Number | 502452-01 |
| Item Name | Light-Switch |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Mercury Systems, Inc. Dba Mercury Systems, Inc |
| 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 |
|---|---|
| N147989 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| 502452-01 PRIMARY | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| TI16-SLED01-1 | D/9 Drawing number reference only Mercury Systems, Inc. Dba Mercury Systems, Inc |
NSN 5999-01-669-2609 is a Light-Switch, manufactured by Mercury Systems, Inc. Dba Mercury Systems, Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-669-2609 has 2 manufacturer part numbers on file: N147989 (Lockheed Martin Corporation Div Rms - Manassas), 502452-01 (Mercury Systems, Inc. Dba Mercury Systems, Inc).
Key specifications for 502452-01: Overall Height: 2.5 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SLIM BAY SLED WITH R/W SWITCH; End Item Identification: AN/BVY-1(V)3. 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.