The Switch,stepping, cataloged under National Stock Number 5930-01-189-5342, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-189-5342 |
| Primary Part Number | 1603660 |
| Item Name | Switch,stepping |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Contact Type | BRIDGING AND NONBRIDGING |
| Drive Type | INDIRECT |
| Precious Material | GOLD |
| Contact Quantity Per Bank Level | 10 |
| Coil Type | DRIVE |
| Mounting Method | BASE |
| Nonbridging Level Quantity | 4 |
| Magnetic Coil Quantity | 1 |
| Electrical Resistance | 600.0 OHMS NOMINAL |
| Contact Current Rating | 0.1 AMPERES |
| Auxiliary Interrupter Contact Arrangement | 1B |
| Bridging Level Quantity | 4 |
| Bank Level Quantity | 8 |
| Auxiliary Off-Normal Contact Arrangement | 1A AND 1B AND 1C A |
| Mounting Configuration | FOUR NO. 10-32 INSERTS ON 5.250 IN. BY 1.750 IN. MTG CENTERS IN |
| Wiper Contact Quantity Per Bank Level | 1 |
| Precious Material and Location | WIPER CONTACTS GOLD |
| 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 |
|---|---|
| 1603660 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| RP17801G1 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| RP17801G1 | 5/9 Secondary reference Te Connectivity Corporation |
| RP17801G1 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 1603660 | 5/9 Secondary reference Powell Electronics, Inc. |
| 1603660 | 5/9 Secondary reference Relay Specialties Inc |
NSN 5930-01-189-5342 is a Switch,stepping, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-189-5342 has 2 manufacturer part numbers on file: 1603660 (Lockheed Martin Corporation Div Rms - Mitchel Field), RP17801G1 (Te Connectivity Corporation).
Key specifications for 1603660: Overall Height: 3.625 INCHES MAXIMUM IN; Contact Type: BRIDGING AND NONBRIDGING; Drive Type: INDIRECT; Precious Material: GOLD. 17 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.