PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3103Interrupter Set

Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div · NSN 4920-01-089-0446 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-089-0446 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-089-0446. Primary manufacturer part number: B3103.
Features
  • Interrupter Set — FSC 4920
  • General Characteristics Item Description: 18GAGE CRES; 3.660 IN. O/A H; MTG HOLES 2.878 IN. CENTER TO CENTER; CONSISTS OF P/N B3103-1 AND P/N B3103-2 IN
  • 3 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Interrupter Set, cataloged under National Stock Number 4920-01-089-0446, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-089-0446
Primary Part NumberB3103
Item NameInterrupter Set
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
StatusACTIVE
General Characteristics Item Description18GAGE CRES; 3.660 IN. O/A H; MTG HOLES 2.878 IN. CENTER TO CENTER; CONSISTS OF P/N B3103-1 AND P/N B3103-2 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-023-1659 INTERCHANGEABLE
Spring,special
5440-00-061-8895FE3232 INTERCHANGEABLE
Ladder,extension
Louisville Ladder Inc
5120-00-277-1251 INTERCHANGEABLE
Wrench,open End
5930-00-359-550200-291824 INTERCHANGEABLE
Push Button
Itw Food Equipment Group Llc Dba Hobart Service
5930-00-642-9082310-32 INTERCHANGEABLE
Switch,rotary
Keysight Technologies Inc
2920-00-891-094531032 INTERCHANGEABLE
Coil Assembly,regul
Prestolite Electric Inc
4820-00-948-3516310A-26/TAP/254E-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Proconex Inc
5330-01-083-871330746A INTERCHANGEABLE
Packing,preformed
Dressta North America Ltd
5940-01-166-8567451209-AC INTERCHANGEABLE
Terminal,quick Disconnect
Essex Brownell Inc. Div Essex Group Inc
4920-01-173-4538B3103-2 INTERCHANGEABLE
Interrupter
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
B3103-2 Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (USA)
B3103 PRIMARY Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div (USA)
3103-2 Telemeter Electronic Gmbh (DEU)
Related Parts
5360-00-023-1659INTERCHANGEABLE
SPRING,SPECIAL
5440-00-061-8895INTERCHANGEABLE
LADDER,EXTENSION
FE3232
5120-00-277-1251INTERCHANGEABLE
WRENCH,OPEN END
5930-00-359-5502INTERCHANGEABLE
PUSH BUTTON
00-291824
5930-00-642-9082INTERCHANGEABLE
SWITCH,ROTARY
310-32
2920-00-891-0945INTERCHANGEABLE
COIL ASSEMBLY,REGUL
31032
4820-00-948-3516INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
310A-26/TAP/254E-1
5330-01-083-8713INTERCHANGEABLE
PACKING,PREFORMED
30746A
5940-01-166-8567INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
451209-AC
4920-01-173-4538INTERCHANGEABLE
INTERRUPTER
B3103-2
7045-01-342-1567INTERCHANGEABLE
CASE,COMPUTER
6515-01-351-9291INTERCHANGEABLE
DRILL,TWIST,BONE
310.32

Frequently Asked Questions

What is NSN 4920-01-089-0446?

NSN 4920-01-089-0446 is a Interrupter Set, manufactured by Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-089-0446?

NSN 4920-01-089-0446 has 3 cross-referenced part numbers: B3103-2 (Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div), B3103 (Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div), 3103-2 (Telemeter Electronic Gmbh).

What NSN replaces 4920-01-089-0446?

There are 12 known substitutes for 4920-01-089-0446: 5360-00-023-1659, 5440-00-061-8895, 5120-00-277-1251 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B3103?

Key specifications for B3103: General Characteristics Item Description: 18GAGE CRES; 3.660 IN. O/A H; MTG HOLES 2.878 IN. CENTER TO CENTER; CONSISTS OF P/N B3103-1 AND P/N B3103-2 IN; End Item Identification: BELL HELICOPTER MODEL UH-1B AND UH-1D. 2 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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