The Switch Section,rotary, cataloged under National Stock Number 5930-00-990-7526, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-990-7526 |
| Primary Part Number | 399176AM |
| Item Name | Switch Section,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.062 INCHES NOMINAL IN |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | STRUT SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.093 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 4 SINGLE SECTION REAR |
| Style Designator | SWITCH SECTION, ROTARY |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 AC AT SEA LEVEL |
| Operating Temp Range | -25.0 TO 85.0 CELSIUS DEGC |
| Longest Horizontal Distance Between Mounting Centers | 0.812 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Throw Quantity | 2 SINGLE SECTION REAR |
| Body Thickness | 0.062 INCHES NOMINAL 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 |
|---|---|
| 399176AM PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 16505-1 | 5/9 Secondary reference Trio Laboratories Inc |
| 399037A | 5/9 Secondary reference Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
NSN 5930-00-990-7526 is a Switch Section,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-990-7526 has 1 manufacturer part number on file: 399176AM (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-253-1937, 5310-01-677-7218. Verify interchangeability with system specifications before substitution.
Key specifications for 399176AM: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 1.062 INCHES NOMINAL IN; Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL. 16 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.