The Switch,reed, cataloged under National Stock Number 5930-01-098-0774, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamlin Products Div of Mullins Mfg Corp. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-098-0774 |
| Primary Part Number | MDRR-4 |
| Item Name | Switch,reed |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Hamlin Products Div of Mullins Mfg Corp |
| Status | ACTIVE |
| Pile-Up Contact Form Arrangement | 1A SINGLE POSITION A |
| Body Diameter | 0.105 INCHES MAXIMUM IN |
| Body Style | UNCASED |
| Overall Diameter | 0.105 INCHES NOMINAL IN |
| Mounting Method | TERMINAL |
| Switch Actuating Force | 52.5 AMPERE-TURNS MAXIMUM |
| Switch Release Force | 12.5 AMPERE-TURNS MINIMUM |
| Electrical Power Rating at Maximum DC Voltage Rating | 10.0 WATTS |
| Body Length | 0.600 INCHES MAXIMUM IN |
| Maximum Voltage Rating in Volts | 100.0 DC |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Contact Load Current Rating at Maximum Rated Voltage | 500.000 MILLIAMPERES RESISTIVE DC |
| 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 |
|---|---|
| MDRR-4 PRIMARY | Hamlin Products Div of Mullins Mfg Corp (USA) |
NSN 5930-01-098-0774 is a Switch,reed, manufactured by Hamlin Products Div of Mullins Mfg Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-098-0774 has 1 manufacturer part number on file: MDRR-4 (Hamlin Products Div of Mullins Mfg Corp).
Key specifications for MDRR-4: Pile-Up Contact Form Arrangement: 1A SINGLE POSITION A; Body Diameter: 0.105 INCHES MAXIMUM IN; Body Style: UNCASED; Overall Diameter: 0.105 INCHES NOMINAL IN. 12 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.