The Light-Switch Assembly, cataloged under National Stock Number 5999-01-334-5035, 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 10 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 | 5999-01-334-5035 |
| Primary Part Number | 6981ED173-503NM |
| 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 | 1 SWITCH AND 2 LIGHT |
| Lamp Bulb Size Designator | T-21 |
| Lens Color | GREEN |
| Shape | RECTANGULAR |
| Features Provided | TRANSFORMER AND THREADED ENTRANCE AND BOX COVER |
| Lamp Base Style | MINIATURE SCREW |
| Switch Type | PUSH |
| Environmental Protection | DUSTPROOF |
| Material | PLASTIC |
| Voltage Rating | 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 | J |
| Part Number | Manufacturer |
|---|---|
| 6981ED173-503NM PRIMARY | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
NSN 5999-01-334-5035 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 5999-01-334-5035 has 1 manufacturer part number on file: 6981ED173-503NM (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
Key specifications for 6981ED173-503NM: Component Type and Quantity: 1 SWITCH AND 2 LIGHT; Lamp Bulb Size Designator: T-21; Lens Color: GREEN; Shape: RECTANGULAR. 10 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.