The Light-Switch Assembly, cataloged under National Stock Number 5999-01-252-3546, 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 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 13 specifications, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-252-3546 |
| Primary Part Number | 6981ED174-347 |
| Item Name | Light-Switch Assembly |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | ACTIVE |
| Component Type and Quantity | 2 LIGHT AND 2 SWITCH |
| Lamp Bulb Size Designator | T-21 |
| Contact Arrangement | TWO CIRCUIT, DOUBLE BREAK, DOUBLE MAKE, BOTH POSITIONS MAINTAINED |
| Lens Color | RED AND WHITE |
| Mounting Method | UNTHREADED HOLE(S) |
| Shape | RECTANGULAR |
| Features Provided | THREADED ENTRANCE AND TRANSFORMER |
| Lamp Base Style | MINIATURE SCREW |
| Switch Type | PUSH |
| Environmental Protection | WATERTIGHT |
| Current Rating | 60.0 AMPERES MAXIMUM |
| Material | PLASTIC |
| Voltage Rating | 115.0 VOLTS MINIMUM AND 440.0 VOLTS MAXIMUM |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 6981ED174-347 PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
NSN 5999-01-252-3546 is a Light-Switch Assembly, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-252-3546 has 1 manufacturer part number on file: 6981ED174-347 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for 6981ED174-347: Overall Height: 3.680 INCHES MAXIMUM IN; Component Type and Quantity: 2 LIGHT AND 2 SWITCH; Lamp Bulb Size Designator: T-21; Contact Arrangement: TWO CIRCUIT, DOUBLE BREAK, DOUBLE MAKE, BOTH POSITIONS MAINTAINED. 13 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.