The Switch,rotary, cataloged under National Stock Number 5930-01-018-2343, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Marine Electric Systems Inc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5930-01-018-2343 |
| Primary Part Number | PM-NTD3W-R PIECE 21 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Marine Electric Systems Inc |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.124 INCHES MINIMUM AND 0.127 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM AT 3:00 OCLOCK IN |
| Terminal Type | PRINTED CIRCUIT |
| First Flat Length | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Detent Rotational Torque Range | +8.000 TO 64.000 INCH-OUNCES SINGLE ACTUATOR IN |
| Rotor Through Connection Quantity | 1 EACH SECTION |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD AND 20.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 3 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.647 INCHES MINIMUM AND 0.727 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 12 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 180.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| Flat Height | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PM-NTD3W-R PIECE 21 | Marine Electric Systems Inc (USA) |
| PM-SR17 | Marine Electric Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 09P30-03-1-03N | 3/2 Design control — primary reference U.S. Government activity |
| 9YY23759 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 9P30-03-1-3N | 5/9 Secondary reference U.S. Government activity |
| 9YY23624 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-01-018-2343 is a Switch,rotary, manufactured by Marine Electric Systems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-018-2343 has 2 manufacturer part numbers on file: PM-NTD3W-R PIECE 21 (Marine Electric Systems Inc), PM-SR17 (Marine Electric Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-037-6221. Verify interchangeability with system specifications before substitution.
Key specifications for PM-NTD3W-R PIECE 21: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.124 INCHES MINIMUM AND 0.127 INCHES MAXIMUM SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Nonturn Device Radius: 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM AT 3:00 OCLOCK IN. 28 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.