The Retainer,electrical Switch, cataloged under National Stock Number 5930-01-326-3605, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-326-3605 |
| Primary Part Number | 6537780 ITEM 1 |
| Item Name | Retainer,electrical Switch |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.340 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Accommodated Item Securing Device Type | HOLES AND SCREW FASTENER |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 6537780 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| 400 6640203 REV-ITEM 01 | Naval Sea Systems Command (USA) |
| 6537780-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| A8830301 | 5/9 Secondary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 5930-01-326-3605 is a Retainer,electrical Switch, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-326-3605 has 3 manufacturer part numbers on file: 6537780 ITEM 1 (Naval Sea Systems Command), 400 6640203 REV-ITEM 01 (Naval Sea Systems Command), 6537780-1 (Naval Sea Systems Command).
Key specifications for 6537780 ITEM 1: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Unthreaded Mounting Hole Diameter: 0.340 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Accommodated Item Securing Device Type: HOLES AND SCREW FASTENER; End Item Identification: HULL FITTING ASSY PERISCOPE NO 1. 4 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.