NSN 5930-01-321-9437 · NIIN 013219437 · Part number 21SN04-25H
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution · FSC 5930 — Switches · FSG 59 — Electrical and Electronic Equipment Components · CAGE 02750
Government record, cited
NSN 5930-01-321-9437 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-321-9437. Manufacturer of record part number: 21SN04-25H.
Also searched as5930-01-321-9437 ·
5930013219437 ·
NIIN 013219437 ·
01-321-9437 ·
FSC 5930 Switches · CAGE 02750 · 21SN04-25H
Proof Pressure: 200.00 POUNDS PER SQUARE INCH GAGE LBS
Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Pressure Switch Type: DIFFERENTIAL
Media for Which Designed: GAS OR LIQUID
Contact Voltage Rating in Volts: 28.0 DC AT SEA LEVEL SINGLE VOLTAGE
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
Identification
NSN: 5930-01-321-9437
NIIN: 013219437
FSC: 5930 — Switches
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 21SN04-25H
Manufacturer: Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
General Description
The Switch,pressure, cataloged under National Stock Number 5930-01-321-9437, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution. Government technical data includes 5 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.
Technical Specifications
Parameter
Value
NSN
5930-01-321-9437
Primary Part Number
21SN04-25H
Item Name
Switch,pressure
FSC / FSG
5930 / 59 — Switches
Manufacturer
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
Status
ACTIVE
Proof Pressure
200.00 POUNDS PER SQUARE INCH GAGE LBS
Contact Load Current Rating
1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Pressure Switch Type
DIFFERENTIAL
Media for Which Designed
GAS OR LIQUID
Contact Voltage Rating in Volts
28.0 DC AT SEA LEVEL SINGLE VOLTAGE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
No interchangeability data on file.
Other items in FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117
SWITCH,PRESSURE
5930-00-001-1407
5930-00-001-1407 · Item name not on file
5930-00-001-1890
SWITCH,SENSITIVE
5930-00-001-2571
SWITCH,ROTARY
5930-00-001-2575
5930-00-001-2575 · Item name not on file
5930-00-001-2580
5930-00-001-2580 · Item name not on file
5930-00-001-2608
5930-00-001-2608 · Item name not on file
5930-00-001-2609
5930-00-001-2609 · Item name not on file
Frequently Asked Questions
What is NSN 5930-01-321-9437?
NSN 5930-01-321-9437 is a Switch,pressure, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-01-321-9437?
NSN 5930-01-321-9437 has 1 manufacturer part number on file: 21SN04-25H (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).
What are the specifications of 21SN04-25H?
Key specifications for 21SN04-25H: Overall Height: 2.400 INCHES MAXIMUM IN; Proof Pressure: 200.00 POUNDS PER SQUARE INCH GAGE LBS; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Overall Width: 1.400 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5930-01-321-9437 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.