PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40891Switch Subassembly

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-00-581-7835 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-581-7835 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-581-7835. Primary manufacturer part number: 40891.
Features
  • Switch Subassembly — FSC 5930
  • 2 verified cross-references
  • Primary manufacturer: Setra Systems, Inc. Dba Gems Sensors
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch Subassembly, cataloged under National Stock Number 5930-00-581-7835, 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 Setra Systems, Inc. Dba Gems Sensors. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-581-7835
Primary Part Number40891
Item NameSwitch Subassembly
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6645-00-225-26904089-1 INTERCHANGEABLE
Holder,stem Seal
Wakmann Watch Company Inc
3020-00-450-163540891 INTERCHANGEABLE
Gear,spur
Liquid Controls, L.l.c. Div Idex Corporation
5998-00-739-835740891 INTERCHANGEABLE
Circuit Card Assembly
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5999-00-967-3766G140-063 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Kearfott Corporation Div Guidance and Navigation Division
5961-01-072-2300 INTERCHANGEABLE
Semiconductor Device,diode
5340-01-260-6258A4727-4TG INTERCHANGEABLE
Caster,rigid
Albion Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
FS-200M-SB-40891 Setra Systems, Inc. Dba Gems Sensors (USA)
40891 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
6645-00-225-2690INTERCHANGEABLE
HOLDER,STEM SEAL
4089-1
3020-00-450-1635INTERCHANGEABLE
GEAR,SPUR
40891
5998-00-739-8357INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40891
5999-00-967-3766INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
G140-063
5961-01-072-2300INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5340-01-260-6258INTERCHANGEABLE
CASTER,RIGID
A4727-4TG

Frequently Asked Questions

What is NSN 5930-00-581-7835?

NSN 5930-00-581-7835 is a Switch Subassembly, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-581-7835?

NSN 5930-00-581-7835 has 2 cross-referenced part numbers: FS-200M-SB-40891 (Setra Systems, Inc. Dba Gems Sensors), 40891 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-00-581-7835?

There are 6 known substitutes for 5930-00-581-7835: 6645-00-225-2690, 3020-00-450-1635, 5998-00-739-8357 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40891?

Key specifications for 40891: Special Features: MAJOR COMPONENTS: RETAINING RING 1, WASHER 1, SPRING 1, SHUTTLE ASSY 1, STRAIN RELIEF 1, SWITCH ASSY 1, 0 RING 1. 1 total characteristics are documented in the Federal Logistics Information System.

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