NSN 5930-01-039-3770 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-039-3770. Manufacturer of record part number: A645-1202.
Also searched as5930-01-039-3770 ·
5930010393770 ·
NIIN 010393770 ·
01-039-3770 ·
FSC 5930 Switches · CAGE 21269 · A645-1202
Shaft Diameter: 0.247 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal Type: TAB W/SCREW
Overall Diameter: 1.719 INCHES NOMINAL IN
Mounting Method: THREADED BUSHING SINGLE MOUNTING FACILITY
Style Designator: CIRCULAR WAFER, BUSHING MOUNT
Shaft Length: 1.000 INCHES NOMINAL SINGLE ACTUATOR IN
Identification
NSN: 5930-01-039-3770
NIIN: 010393770
FSC: 5930 — Switches
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: A645-1202
Manufacturer: Essex Electro Engineers Inc
General Description
The Switch,rotary, cataloged under National Stock Number 5930-01-039-3770, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Essex Electro Engineers Inc. Government technical data includes 7 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
5930-01-039-3770
Primary Part Number
A645-1202
Item Name
Switch,rotary
FSC / FSG
5930 / 59 — Switches
Manufacturer
Essex Electro Engineers Inc
Status
ACTIVE
Shaft Type
ROUND, FLATTED SINGLE ACTUATOR
Shaft Diameter
0.247 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal Type
TAB W/SCREW
Overall Diameter
1.719 INCHES NOMINAL IN
Mounting Method
THREADED BUSHING SINGLE MOUNTING FACILITY
Style Designator
CIRCULAR WAFER, BUSHING MOUNT
Shaft Length
1.000 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5930-01-039-3770?
NSN 5930-01-039-3770 is a Switch,rotary, manufactured by Essex Electro Engineers Inc, classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-01-039-3770?
NSN 5930-01-039-3770 has 1 manufacturer part number on file: A645-1202 (Essex Electro Engineers Inc).
What are the specifications of A645-1202?
Key specifications for A645-1202: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.247 INCHES NOMINAL SINGLE ACTUATOR IN; Terminal Type: TAB W/SCREW; Overall Diameter: 1.719 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5930-01-039-3770 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.