PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

171-20Mount,resilient,weapon System

West American Rubber Co Stoner Rubber Co Div · NSN 5342-00-329-1489 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-329-1489 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-329-1489. Primary manufacturer part number: 171-20.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Inside Diameter: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
  • Material: ALUMINUM MOUNTING FLANGE PLATE
  • Shortest Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN
  • Flange Mounting Hole Diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • Material: ALUMINUM TUBE
  • Flange Width: 1.250 INCHES NOMINAL IN
  • Flange Thickness: 0.033 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Applications
  • Applications requiring Aluminum Mounting Flange Plate construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-329-1489, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is West American Rubber Co Stoner Rubber Co Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5342-00-329-1489
Primary Part Number171-20
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerWest American Rubber Co Stoner Rubber Co Div
StatusCANCELLED
Inside Diameter0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
MaterialALUMINUM MOUNTING FLANGE PLATE
Shortest Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Flange Mounting Hole Diameter0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
MaterialALUMINUM TUBE
Flange Width1.250 INCHES NOMINAL IN
Flange Thickness0.033 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Distance Between Mounting Hole Centers1.000 INCHES NOMINAL IN
Flange Length1.250 INCHES NOMINAL IN
Static Load Rating at Specified Deflection2 POUND LOAD RATING AT 0.062 IN. DEFLECTION LBS
Height0.406 INCHES NOMINAL IN
Distance From Flange to End0.250 INCHES NOMINAL IN
Load Rating2.0 POUNDS MAXIMUM LBS
Style DesignatorROUND W/BUSHING FOUR-HOLE FLANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-008-69393062160 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Interstate Electronics Corporation
5930-00-306-0666SB12 INTERCHANGEABLE
Switch,rotary
General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp
5340-00-781-0470SB-12 INTERCHANGEABLE
Clamp,loop
Voss Industries, Llc
4030-00-887-2168SB-12 INTERCHANGEABLE
Sling,bridle
Newco Mfg Co Inc
6145-01-049-7503 INTERCHANGEABLE
Cable,special Purpose,electrical
3455-01-101-1064SB-12 INTERCHANGEABLE
File,rotary
Fullerton Tool Company, Inc.
3120-01-330-538523038591-2 INTERCHANGEABLE
Bearing,plain,rod End
Timken Aurora Bearing Company
4810-01-334-926217120 INTERCHANGEABLE
Parts Kit,solenoid Valve
Henny Penny Corporation
4520-01-339-594917120 INTERCHANGEABLE
Heating Element,electrical,nonim
Foster Refrigerators Enterprise Inc
5905-01-396-92940171200004 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
Cross-Reference Index
Part NumberManufacturer
SB1-2 West American Rubber Co Stoner Rubber Co Div (USA)
17120 West American Rubber Co Stoner Rubber Co Div (USA)
171-20 PRIMARY West American Rubber Co Stoner Rubber Co Div (USA)
Related Parts
5950-00-008-6939INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3062160
5930-00-306-0666INTERCHANGEABLE
SWITCH,ROTARY
SB12
5340-00-781-0470INTERCHANGEABLE
CLAMP,LOOP
SB-12
4030-00-887-2168INTERCHANGEABLE
SLING,BRIDLE
SB-12
6145-01-049-7503INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
3455-01-101-1064INTERCHANGEABLE
FILE,ROTARY
SB-12
3120-01-330-5385INTERCHANGEABLE
BEARING,PLAIN,ROD END
23038591-2
4810-01-334-9262INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
17120
4520-01-339-5949INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
17120
5905-01-396-9294INTERCHANGEABLE
RESISTOR,FIXED,FILM
0171200004
5330-01-538-1047INTERCHANGEABLE
GASKET
17120
6115-01-563-9850INTERCHANGEABLE
PARTS KIT,ELECTRICAL GENERATOR
171-20

Frequently Asked Questions

What is NSN 5342-00-329-1489?

NSN 5342-00-329-1489 is a Mount,resilient,weapon System, manufactured by West American Rubber Co Stoner Rubber Co Div, classified under FSC 5342 (Mount,resilient,weapon System). Status: cancelled.

What are the part numbers for NSN 5342-00-329-1489?

NSN 5342-00-329-1489 has 3 cross-referenced part numbers: SB1-2 (West American Rubber Co Stoner Rubber Co Div), 17120 (West American Rubber Co Stoner Rubber Co Div), 171-20 (West American Rubber Co Stoner Rubber Co Div).

What NSN replaces 5342-00-329-1489?

There are 12 known substitutes for 5342-00-329-1489: 5950-00-008-6939, 5930-00-306-0666, 5340-00-781-0470 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 171-20?

Key specifications for 171-20: Inside Diameter: 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Material: ALUMINUM MOUNTING FLANGE PLATE; Shortest Distance Between Mounting Hole Centers: 1.000 INCHES NOMINAL IN; Flange Mounting Hole Diameter: 0.141 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5342-00-329-1489 still in active supply?

NSN 5342-00-329-1489 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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