The Switch,rotary, cataloged under National Stock Number 5930-00-259-8885, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Comsaco, Llc Dba Comsaco Inc. Government technical data includes 23 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-259-8885 |
| Primary Part Number | SYM2641.1GP40 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Comsaco, Llc Dba Comsaco Inc |
| Status | ACTIVE |
| Shaft Type | RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | THREE POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 6.375 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 1.406 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 EACH SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Switch Actuator Momentary Position | CLOCKWISE AND COUNTERCLOCKWISE SINGLE ACTUATOR |
| Individual Section Quantity | 3 |
| Square Shaft Size | 0.252 INCHES NOMINAL SINGLE ACTUATOR IN |
| Knob Manufacturer Code | 80064 |
| Features Provided | ACTUATOR KNOB AND METALLIC INCLOSURE |
| Knob Manufacturer Part Number | 9000S6504-74055PC69 |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 3 SINGLE ACTUATOR |
| Throw Quantity | 3 EACH SECTION FRONT |
| Hazardous Locations/environmental Protection | DUSTPROOF AND WATERTIGHT |
| 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 |
|---|---|
| SYM2641.1GP40 | Comsaco, Llc Dba Comsaco Inc (USA) |
| 10890-104 | U.s. Pioneer, L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 9000S6504-74055 | 3/1 Design control — primary reference U.S. Government activity |
| S2JRM3A-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| S2JRM3A2 | 5/9 Secondary reference U.S. Government activity |
| SYM2641P1 | 5/2 Secondary reference U.S. Government activity |
| 10890-104 | 5/9 Secondary reference L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| 9S4830LM11S | 5/2 Secondary reference U.S. Government activity |
| 803-74055 | 3/2 Design control — primary reference U.S. Government activity |
| SMY2641.1 | 5/9 Secondary reference Winchester Industries Inc |
| S2JRM3B2 | 5/9 Secondary reference Winchester Industries Inc |
| SJRM3-23 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
NSN 5930-00-259-8885 is a Switch,rotary, manufactured by Comsaco, Llc Dba Comsaco Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-259-8885 has 2 manufacturer part numbers on file: SYM2641.1GP40 (Comsaco, Llc Dba Comsaco Inc), 10890-104 (U.s. Pioneer, L.l.c.).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-247-3347, 5930-01-260-9889. Verify interchangeability with system specifications before substitution.
Key specifications for SYM2641.1GP40: Shaft Type: RECTANGULAR/SQUARE, THREADED HOLE SINGLE ACTUATOR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: THREE POSITION CIRCULAR SINGLE MOUNTING FACILITY. 23 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.