PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-163Bell,electrical

L3 Technologies, Inc. · NSN 6350-00-263-4661 · FSC 6350 · No Item Name Available
Verified by PartsTable
NSN 6350-00-263-4661 — this item is cataloged by the U.S. Government under National Stock Number 6350-00-263-4661. Primary manufacturer part number: 20-163.
Features
  • Bell,electrical — FSC 6350
  • Center to Center Distance Between Mounting Holes: 0.766 INCHES NOMINAL IN
  • Quantity: 1
  • Surface Treatment: PAINT
  • Material: COPPER ALLOY
  • Voltage in Volts and Current Type: 24.0 DC
  • Sound Chamber Overall Height: 1.750 INCHES NOMINAL IN
  • Features Provided: INCLOSURE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Bell,electrical, cataloged under National Stock Number 6350-00-263-4661, is classified within Federal Supply Class 6350 (No Item Name Available) of the Alarm, Signal, and Security Detection Systems group. The primary manufacturer of record is L3 Technologies, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN6350-00-263-4661
Primary Part Number20-163
Item NameBell,electrical
FSC / FSG6350 / 63 — No Item Name Available
ManufacturerL3 Technologies, Inc.
StatusACTIVE
Center to Center Distance Between Mounting Holes0.766 INCHES NOMINAL IN
Quantity1
Surface TreatmentPAINT
MaterialCOPPER ALLOY
Voltage in Volts and Current Type24.0 DC
Sound Chamber Overall Height1.750 INCHES NOMINAL IN
Features ProvidedINCLOSURE
Mounting MethodHOLE
Sound Chamber Overall Diameter8.000 INCHES NOMINAL IN
Sound Chamber TypeGONG
Design TypeROUND GONG
Tone AdjustabilityNONADJUSTABLE
Mounting Hole Diameter0.406 INCHES NOMINAL IN
Mounting Hole Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2520-00-033-9372 INTERCHANGEABLE
Cap,seal,bottom Rea
2910-00-209-153520228 INTERCHANGEABLE
Weight Retainer Assembly
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6220-00-488-753920163 INTERCHANGEABLE
Casting Assembly
Grimes Aerospace Company
3110-00-555-522637-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5920-01-139-0861HPM INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Bussmann, Llc Dba Cooper Industries
1680-01-152-6269 INTERCHANGEABLE
Strap,seat
4920-01-297-973020163 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5310-01-462-477320163 INTERCHANGEABLE
Washer,key
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
1080-01-564-10142016-3 INTERCHANGEABLE
Case,carrying,camouflage
Saab Barracuda Llc
1680-01-578-260320163 INTERCHANGEABLE
Brake Assembly,airc
Sepac, Inc. Dba Sepac Inc
Cross-Reference Index
Part NumberManufacturer
20-163 L3 Technologies, Inc. (USA)
20-163-8IN-24VDC L3 Technologies, Inc. (USA)
Related Parts
2520-00-033-9372INTERCHANGEABLE
CAP,SEAL,BOTTOM REA
2910-00-209-1535INTERCHANGEABLE
WEIGHT RETAINER ASSEMBLY
20228
6220-00-488-7539INTERCHANGEABLE
CASTING ASSEMBLY
20163
3110-00-555-5226INTERCHANGEABLE
BEARING,BALL,ANNULAR
37-1B1
5920-01-139-0861INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
HPM
1680-01-152-6269INTERCHANGEABLE
STRAP,SEAT
4920-01-297-9730INTERCHANGEABLE
TEST PROGRAM SET
20163
5310-01-462-4773INTERCHANGEABLE
WASHER,KEY
20163
1080-01-564-1014INTERCHANGEABLE
CASE,CARRYING,CAMOUFLAGE
2016-3
1680-01-578-2603INTERCHANGEABLE
BRAKE ASSEMBLY,AIRC
20163
5340-01-583-8892INTERCHANGEABLE
COVER,PENDANT HEAD
20163

Frequently Asked Questions

What is NSN 6350-00-263-4661?

NSN 6350-00-263-4661 is a Bell,electrical, manufactured by L3 Technologies, Inc., classified under FSC 6350 (No Item Name Available). Status: active.

What are the part numbers for NSN 6350-00-263-4661?

NSN 6350-00-263-4661 has 2 cross-referenced part numbers: 20-163 (L3 Technologies, Inc.), 20-163-8IN-24VDC (L3 Technologies, Inc.).

What NSN replaces 6350-00-263-4661?

There are 11 known substitutes for 6350-00-263-4661: 2520-00-033-9372, 2910-00-209-1535, 6220-00-488-7539 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-163?

Key specifications for 20-163: Overall Height: 5.500 INCHES NOMINAL IN; Overall Width: 8.000 INCHES NOMINAL IN; Center to Center Distance Between Mounting Holes: 0.766 INCHES NOMINAL IN; Quantity: 1. 18 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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