The Switch,pressure, cataloged under National Stock Number 5930-01-535-2820, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Nd Defense Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-535-2820 |
| Primary Part Number | 1839415C91 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Nd Defense Llc |
| Status | ACTIVE |
| Width Across Flats | 2.200 MILLIMETERS NOMINAL MM |
| Contact Action Stimulus | INCREASE |
| Terminal Type | PIN |
| Contact Load Current Rating | 10.000 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Thread Length | 12.00 MILLIMETERS NOMINAL SINGLE THREADED STUD MM |
| Sensing Element Burst Pressure | 500.000 POUNDS PER SQUARE INCH ABSOLUTE LBS |
| Style Designator | PLUG |
| Outside Diameter | 16.90 MILLIMETERS NOMINAL SINGLE CONNECTION MM |
| Pressure Switch Type | ABSOLUTE |
| Nominal Thread Size | 12.0 MILLIMETERS SINGLE THREADED STUD MM |
| Body Length | 47.000 MILLIMETERS NOMINAL MM |
| Operating Temp Rating | -40.00 CELSIUS MINIMUM AND 135.000 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | LIQUID |
| Thread Class | 2A SINGLE THREADED STUD A |
| Contact Stimulus Rating | 20.70 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE |
| Thread Series Designator | UNF SINGLE THREADED STUD |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 5.50 AC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| 1839415C91 | Nd Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2CP46-4 | 3/2 Design control — primary reference U.S. Government activity |
| 1839415C91 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-535-2820 is a Switch,pressure, manufactured by Nd Defense Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-535-2820 has 1 manufacturer part number on file: 1839415C91 (Nd Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 6620-01-548-4840. Verify interchangeability with system specifications before substitution.
Key specifications for 1839415C91: Width Across Flats: 2.200 MILLIMETERS NOMINAL MM; Contact Action Stimulus: INCREASE; Terminal Type: PIN; Contact Load Current Rating: 10.000 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 20 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.