NSN 5930-01-561-5591 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-561-5591. Manufacturer of record part number: 1MS3T1B5M1QE.
The Switch Assembly, cataloged under National Stock Number 5930-01-561-5591, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Multicomp, Inc Dba Labelonce Corporation. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5930-01-561-5591
Primary Part Number
1MS3T1B5M1QE
Item Name
Switch Assembly
FSC / FSG
5930 / 59 — Switches
Manufacturer
Multicomp, Inc Dba Labelonce Corporation
Status
ACTIVE
Inclosure Type
FULLY INCLOSED
Mounting Method
BUSHING
Identifying Number
1MS3T1B5-1QE PART NO.
Bushing Diameter
0.250 INCHES NOMINAL IN
Switch Type
TOGGLE
Thread Size and Series/type Designator
S1/4-40 UN
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 5930-01-561-5591?
NSN 5930-01-561-5591 is a Switch Assembly, manufactured by Multicomp, Inc Dba Labelonce Corporation, classified under FSC 5930, Switches. Status: active.
What part numbers are listed for NSN 5930-01-561-5591?
NSN 5930-01-561-5591 has 2 manufacturer part numbers on file: 1MS3T1B5M1QE (Multicomp, Inc Dba Labelonce Corporation), 9473386 (Element14 Pty Ltd).
What are the specifications of 1MS3T1B5M1QE?
Key specifications for 1MS3T1B5M1QE: Overall Height: 0.550 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Method: BUSHING; Identifying Number: 1MS3T1B5-1QE PART NO.. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5930-01-561-5591 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.