PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1721-5Mount,resilient,weapon System

MB Dynamics, Inc. · NSN 5342-00-597-6569 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-597-6569 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-597-6569. Primary manufacturer part number: 1721-5.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Height: 0.625 INCHES NOMINAL IN
  • Style Designator: ROUND W/BUSHING FOUR-HOLE FLANGE
  • Inside Diameter: 0.257 INCHES NOMINAL IN
  • Static Load Rating at Specified Deflection: 15 LB LOAD RATING AT 1/10 IN. DEFLECTION LBS
  • Distance From Flange to End: 0.400 INCHES NOMINAL IN
  • Flange Mounting Hole Diameter: 0.166 INCHES NOMINAL IN
  • Flange Thickness: 0.051 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Flange construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-597-6569, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is MB Dynamics, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-597-6569
Primary Part Number1721-5
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerMB Dynamics, Inc.
StatusACTIVE
Height0.625 INCHES NOMINAL IN
Style DesignatorROUND W/BUSHING FOUR-HOLE FLANGE
Inside Diameter0.257 INCHES NOMINAL IN
Static Load Rating at Specified Deflection15 LB LOAD RATING AT 1/10 IN. DEFLECTION LBS
Distance From Flange to End0.400 INCHES NOMINAL IN
Flange Mounting Hole Diameter0.166 INCHES NOMINAL IN
Flange Thickness0.051 INCHES NOMINAL IN
MaterialALUMINUM FLANGE
Flange Width1.750 INCHES NOMINAL IN
Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Shortest Distance Between Mounting Hole Centers1.375 INCHES NOMINAL IN
Flange Length1.750 INCHES NOMINAL IN
Surface TreatmentANODIZE FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-056-7609172-1-5 INTERCHANGEABLE
Switch,push
Korry Electronics Co
5950-00-270-3413989110-19B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5310-00-737-310317215 INTERCHANGEABLE
Washer,key
Dana Corp Spicer Transmission Div
4730-00-971-886917215 INTERCHANGEABLE
Elbow,threaded
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5841-01-099-876217215 INTERCHANGEABLE
Ramp Generator
Astronautics Corporation of America
3110-01-274-442917215 INTERCHANGEABLE
Plate,retaining,bearing
Harbormaster Marine, Inc
6515-01-591-4584399.481 INTERCHANGEABLE
Elevator,periosteal
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4720-01-606-662617215 INTERCHANGEABLE
Hose Assembly Set,nonmetallic
Tectran Mfg Inc
Cross-Reference Index
Part NumberManufacturer
1721-5 MB Dynamics, Inc. (USA)
Related Parts
5930-00-056-7609INTERCHANGEABLE
SWITCH,PUSH
172-1-5
5950-00-270-3413INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-19B
5310-00-737-3103INTERCHANGEABLE
WASHER,KEY
17215
4730-00-971-8869INTERCHANGEABLE
ELBOW,THREADED
17215
5841-01-099-8762INTERCHANGEABLE
RAMP GENERATOR
17215
3110-01-274-4429INTERCHANGEABLE
PLATE,RETAINING,BEARING
17215
6515-01-591-4584INTERCHANGEABLE
ELEVATOR,PERIOSTEAL
399.481
4720-01-606-6626INTERCHANGEABLE
HOSE ASSEMBLY SET,NONMETALLIC
17215

Frequently Asked Questions

What is NSN 5342-00-597-6569?

NSN 5342-00-597-6569 is a Mount,resilient,weapon System, manufactured by MB Dynamics, Inc., classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-597-6569?

NSN 5342-00-597-6569 has 1 cross-referenced part number: 1721-5 (MB Dynamics, Inc.).

What NSN replaces 5342-00-597-6569?

There are 8 known substitutes for 5342-00-597-6569: 5930-00-056-7609, 5950-00-270-3413, 5310-00-737-3103 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1721-5?

Key specifications for 1721-5: Height: 0.625 INCHES NOMINAL IN; Style Designator: ROUND W/BUSHING FOUR-HOLE FLANGE; Inside Diameter: 0.257 INCHES NOMINAL IN; Static Load Rating at Specified Deflection: 15 LB LOAD RATING AT 1/10 IN. DEFLECTION LBS. 13 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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