PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-2557Switch,rotary

Janco Corporation Dba Janco Corp Div Mason Controls · NSN 5930-01-287-3751 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-287-3751 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-287-3751. Primary manufacturer part number: 1-2557.
Features
  • Switch,rotary — FSC 5930
  • 1 verified cross-reference
  • Primary manufacturer: Janco Corporation Dba Janco Corp Div Mason Controls
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-287-3751, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Janco Corporation Dba Janco Corp Div Mason Controls. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,rotary
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersJanco Corporation Dba Janco Corp Div Mason Controls (CAGE 91812)
Technical Specifications
ParameterValue
NSN5930-01-287-3751
Primary Part Number1-2557
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerJanco Corporation Dba Janco Corp Div Mason Controls
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3805-00-024-243112557 INTERCHANGEABLE
Shaft,control Lever
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
2910-00-164-38031255A7 INTERCHANGEABLE
Cap Assembly,tank,fuel
Protectoseal Co Container Div
2915-00-302-428312-557 INTERCHANGEABLE
Cap,internal Outlet,booster Pump
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
1650-00-347-1278 INTERCHANGEABLE
Rotor Assy,valve
4935-00-350-6335 INTERCHANGEABLE
Wearplate,pump Assy
4320-00-410-902412557 INTERCHANGEABLE
Wearplate,pump
Itt Jabsco Products
5331-01-143-8257 INTERCHANGEABLE
O-Ring
5965-01-170-879912557 INTERCHANGEABLE
Loudspeaker,permanent Magnet
Edo-Aire
5305-01-273-498312557 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
6625-01-281-399412557 INTERCHANGEABLE
Indicator,electrical Potential
Auto Vehicle Parts Co Dba Au-Ve-Co
Cross-Reference Index
Part NumberManufacturer
1-2557 PRIMARY Janco Corporation Dba Janco Corp Div Mason Controls (USA)
Related Parts
3805-00-024-2431INTERCHANGEABLE
SHAFT,CONTROL LEVER
12557
2910-00-164-3803INTERCHANGEABLE
CAP ASSEMBLY,TANK,FUEL
1255A7
2915-00-302-4283INTERCHANGEABLE
CAP,INTERNAL OUTLET,BOOSTER PUMP
12-557
1650-00-347-1278INTERCHANGEABLE
ROTOR ASSY,VALVE
4935-00-350-6335INTERCHANGEABLE
WEARPLATE,PUMP ASSY
4320-00-410-9024INTERCHANGEABLE
WEARPLATE,PUMP
12557
5331-01-143-8257INTERCHANGEABLE
O-RING
5965-01-170-8799INTERCHANGEABLE
LOUDSPEAKER,PERMANENT MAGNET
12557
5305-01-273-4983INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12557
6625-01-281-3994INTERCHANGEABLE
INDICATOR,ELECTRICAL POTENTIAL
12557
4820-01-286-1961INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 5930-01-287-3751?

NSN 5930-01-287-3751 is a Switch,rotary, manufactured by Janco Corporation Dba Janco Corp Div Mason Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-287-3751?

NSN 5930-01-287-3751 has 1 cross-referenced part number: 1-2557 (Janco Corporation Dba Janco Corp Div Mason Controls).

What NSN replaces 5930-01-287-3751?

There are 11 known substitutes for 5930-01-287-3751: 3805-00-024-2431, 2910-00-164-3803, 2915-00-302-4283 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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