NSN 5930-00-021-8399 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-021-8399. Manufacturer of record part number: 23515.
Also searched as5930-00-021-8399 ·
5930000218399 ·
NIIN 000218399 ·
00-021-8399 ·
FSC 5930 Switches · CAGE 04034 · 23515
Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating: 45.4 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Mounting Method: LINE AND THREADED BUSHING
Features Provided: HERMETICALLY SEALED CASE
Nominal Thread Size: 0.500 INCHES SINGLE THREADED BUSHING IN
Identification
NSN: 5930-00-021-8399
NIIN: 000218399
FSC: 5930 — Switches
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 23515
Manufacturer: Setra Systems, Inc. Dba Gems Sensors
General Description
The Switch,flow, cataloged under National Stock Number 5930-00-021-8399, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 17 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. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5930-00-021-8399
Primary Part Number
23515
Item Name
Switch,flow
FSC / FSG
5930 / 59 — Switches
Manufacturer
Setra Systems, Inc. Dba Gems Sensors
Status
ACTIVE
Contact Action Stimulus
INCREASE
Terminal Type
WIRE LEAD
Contact Load Current Rating
0.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating
45.4 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Mounting Method
LINE AND THREADED BUSHING
Features Provided
HERMETICALLY SEALED CASE
Nominal Thread Size
0.500 INCHES SINGLE THREADED BUSHING IN
Operating Temp Rating
-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Nonpile-Up Contact Arrangement
1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Media for Which Designed
LIQUID
Contact Stimulus Rating
10.00 ACTUATION POINT NOMINAL GALLONS PER MINUTE
Thread Quantity Per Inch
14 SINGLE THREADED BUSHING
Thread Series Designator
NPT SINGLE THREADED BUSHING
Contact Adjustability
ACTUATION POINT NOT ADJUSTABLE
Contact Voltage Rating in Volts
220.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Voltage Rating in Volts
32.0 DC AT SEA LEVEL SECOND VOLTAGE
Hazardous Locations/environmental Protection
VIBRATION RESISTANT
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-00-554-2477MMS106S18-50PPOSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Goodrich Corporation
5975-00-999-014823515POSSIBLE MATCH
FERRULE,ELECTRICAL CONDUIT
Possible match (shared part number)Unison Industries Llc
4210-01-145-089723515POSSIBLE MATCH
MANUAL DISCHARGE,HE
Possible match (shared part number)Tyco Fire Products Lp
5340-01-147-2219POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)
5365-01-186-527623-515POSSIBLE MATCH
SHIM
Possible match (shared part number)Myers Tire Supply Distribution Inc Div Akron Branch
5920-01-198-946823-5-15POSSIBLE MATCH
FUSE
Possible match (shared part number)Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
5305-01-478-742412640980POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
NSN 5930-00-021-8399 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-00-021-8399?
NSN 5930-00-021-8399 has 1 manufacturer part number on file: 23515 (Setra Systems, Inc. Dba Gems Sensors).
What NSN replaces 5930-00-021-8399?
8 possible matches (shared part number, not a government interchangeability claim): 3120-00-554-2477, 5975-00-999-0148, 4210-01-145-0897. Verify interchangeability with system specifications before substitution.
What are the specifications of 23515?
Key specifications for 23515: Overall Height: 5.500 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Contact Load Current Rating: 0.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 17 specifications are documented in the U.S. Government catalog.
Is NSN 5930-00-021-8399 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.