PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JB8386Mount,resilient,weapon System

Lord Corporation Dba Lord Corp · NSN 5342-00-674-8542 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-674-8542 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-674-8542. Primary manufacturer part number: JB8386.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Flange Mounting Hole Diameter: 0.406 INCHES NOMINAL IN
  • Static Load Rating at Specified Deflection: 540 TO 690 POUND LOAD RATING AT 0.500 INCH DEFLECTION LBS
  • Material: STEEL CAP
  • Height: 3.625 INCHES NOMINAL IN
  • Material: STEEL FLANGE
  • Distance Between Mounting Hole Centers: 4.937 INCHES NOMINAL IN
  • Flange Length: 5.688 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Cap construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-674-8542, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Lord Corporation Dba Lord Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5342-00-674-8542
Primary Part NumberJB8386
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerLord Corporation Dba Lord Corp
StatusACTIVE
Flange Mounting Hole Diameter0.406 INCHES NOMINAL IN
Static Load Rating at Specified Deflection540 TO 690 POUND LOAD RATING AT 0.500 INCH DEFLECTION LBS
MaterialSTEEL CAP
Height3.625 INCHES NOMINAL IN
MaterialSTEEL FLANGE
Distance Between Mounting Hole Centers4.937 INCHES NOMINAL IN
Flange Length5.688 INCHES NOMINAL IN
Flange Width4.250 INCHES NOMINAL IN
Inside Diameter2.000 INCHES NOMINAL IN
Flange Thickness0.125 INCHES NOMINAL IN
Style DesignatorROUND W/FLANGED BUSHING TWO/HOLE FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-103-9279 INTERCHANGEABLE
Hose Assembly,nonmetallic
2990-00-251-36569S7148 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Caterpillar Inc Div Caterpillar Defense
5340-00-394-6358DD692-S4700-8 PC 187 INTERCHANGEABLE
Rod End,threaded
Naval Ship Systems Command
5935-00-439-9966 INTERCHANGEABLE
Socket,plug-in Electronic Compon
4720-00-471-3168 INTERCHANGEABLE
Hose Assembly,nonmetallic
3020-00-570-6129071093 INTERCHANGEABLE
Pulley,assy
Magna Tech Electronic Co Inc Dba Mte
6350-00-705-045911093 INTERCHANGEABLE
Leaf,diaphragm
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-00-842-9706168312-3 INTERCHANGEABLE
Switch,rotary
Raytheon Company
5950-00-910-93366140026-5 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
6240-00-944-1262159 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Cross-Reference Index
Part NumberManufacturer
344MR009P002 Raytheon Company (USA)
344MR009P002 Raytheon Co Missile Systems Div Lowell Plant (USA)
344MR009P002 Raytheon Company Div Corp (USA)
344MR009P002 Raytheon Company Dba Raytheon Co (USA)
JB8386 PRIMARY Lord Corporation Dba Lord Corp (USA)
2543199 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
2543199 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
110-93 Anders & Sons Inc. (USA)
JB8386-1 Lord Corporation Dba Lord Corp (USA)
Related Parts
4720-00-103-9279INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2990-00-251-3656INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
9S7148
5340-00-394-6358INTERCHANGEABLE
ROD END,THREADED
DD692-S4700-8 PC 187
5935-00-439-9966INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4720-00-471-3168INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3020-00-570-6129INTERCHANGEABLE
PULLEY,ASSY
071093
6350-00-705-0459INTERCHANGEABLE
LEAF,DIAPHRAGM
11093
5930-00-842-9706INTERCHANGEABLE
SWITCH,ROTARY
168312-3
5950-00-910-9336INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-5
6240-00-944-1262INTERCHANGEABLE
LAMP,INCANDESCENT
159
4820-01-007-5196INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
11-093
9540-01-029-9061INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 5342-00-674-8542?

NSN 5342-00-674-8542 is a Mount,resilient,weapon System, manufactured by Lord Corporation Dba Lord Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-674-8542?

NSN 5342-00-674-8542 has 9 cross-referenced part numbers: 344MR009P002 (Raytheon Company), 344MR009P002 (Raytheon Co Missile Systems Div Lowell Plant), 344MR009P002 (Raytheon Company Div Corp), 344MR009P002 (Raytheon Company Dba Raytheon Co), JB8386 (Lord Corporation Dba Lord Corp) and 4 more.

What NSN replaces 5342-00-674-8542?

There are 12 known substitutes for 5342-00-674-8542: 4720-00-103-9279, 2990-00-251-3656, 5340-00-394-6358 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of JB8386?

Key specifications for JB8386: Flange Mounting Hole Diameter: 0.406 INCHES NOMINAL IN; Static Load Rating at Specified Deflection: 540 TO 690 POUND LOAD RATING AT 0.500 INCH DEFLECTION LBS; Material: STEEL CAP; Height: 3.625 INCHES NOMINAL IN. 11 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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