The Switch,electronic, cataloged under National Stock Number 5930-01-547-2823, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Excalibur Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-547-2823 |
| Primary Part Number | ESI-R20 |
| Item Name | Switch,electronic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Excalibur Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| ESI-R20 PRIMARY | Excalibur Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 1016239-01 | 7/2 Vendor item drawing reference Support Systems Associates, Inc. |
NSN 5930-01-547-2823 is a Switch,electronic, manufactured by Excalibur Systems Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-547-2823 has 1 manufacturer part number on file: ESI-R20 (Excalibur Systems Inc).
Key specifications for ESI-R20: Special Features: ELECTRICAL SPECS: VDC 24V, MA 8.3, OHMS 2880, VDC 16.8V, VDC 2.4V, VDC 36V, AC 0.5A, 60VAC, DC 1A, 30VDC, OHMS, OHMS (MAX) 50 MILLI. MECHANICAL SPECS: CONNECTORS: BJ770 (TROMPETER OR EQUIV.) J1 THRU J3: J4 IS A DB9P CONNECTOR (PIN 1, IS POSITIVE,; PIN 3, IS THE TTL CONTROL VOLTAGE AND PIN, 5 IS GROUND) MATING CONNECTOR FOR REFERENCE: PL75 (TROMPETER OR EQUIV.), ENCLOSURE MATERIAL: ALUMINUM .050 THK., MOUNTING PLATE MATERIAL: STAINLESS STEEL .075 THK., BLUE ENAMEL (POWDER COATED). ENVIRONMENTAL: OPERATING TEMPERATURE RANGE: -40 DEG. C TO +70 DEG. C. APPROXIMATELY 3.90 INCHES LONG BY 1.00 INCH HIGH. VDC; Part Name Assigned by Controlling Agency: SWITCH, BUS COUPLER, MULTI STUB - 3 LUG; End Item Identification: SOF AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130). 0 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.