PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31112-3Mount,resilient,weapon System

Aurora Pump a Unit of General Signal Corp · NSN 5342-00-550-9525 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-550-9525 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-550-9525. Primary manufacturer part number: 31112-3.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Inside Diameter: 0.635 INCHES NOMINAL IN
  • Distance From Flange to End: 1.873 INCHES NOMINAL IN
  • Height: 3.2595 INCHES NOMINAL IN
  • Flange Mounting Hole Diameter: 0.6406 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: A DESIGN AND A TYPE
  • Material: STEEL OVERALL
  • Load/frequency Range: 150 LB LOAD AT 15 CPS PORM 15 PCT LBS
Applications
  • Applications requiring Steel Overall construction
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-00-550-9525, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Aurora Pump a Unit of General Signal Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-550-9525
Primary Part Number31112-3
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerAurora Pump a Unit of General Signal Corp
StatusACTIVE
Inside Diameter0.635 INCHES NOMINAL IN
Distance From Flange to End1.873 INCHES NOMINAL IN
Height3.2595 INCHES NOMINAL IN
Flange Mounting Hole Diameter0.6406 INCHES NOMINAL IN
Nondefinitive Spec/std DataA DESIGN AND A TYPE
MaterialSTEEL OVERALL
Load/frequency Range150 LB LOAD AT 15 CPS PORM 15 PCT LBS
Load Rating150.0 POUNDS MAXIMUM LBS
Style DesignatorROUND W/FLANGED BUSHING TWO-HOLE FLANGE
Flange Thickness0.4375 INCHES NOMINAL IN
Flange Length6.625 INCHES NOMINAL IN
Flange Width3.500 INCHES NOMINAL IN
Nonmetallic Hardness Rating33.0 MINIMUM SHORE DUROMETER A AND 43.0 MAXIMUM SHORE DUROMETER A
Distance Between Mounting Hole Centers5.365 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6760-00-164-7187311-123 INTERCHANGEABLE
Lens,camera,motion Picture
Arriflex Corp
5342-00-473-3397 INTERCHANGEABLE
Mount,resilient,weapon System
5342-00-473-3400 INTERCHANGEABLE
Mount,resilient,weapon System
5342-00-531-9170 INTERCHANGEABLE
Mount,resilient,weapon System
4820-00-555-9761 INTERCHANGEABLE
Cock,drain
5305-00-927-02714D3264 INTERCHANGEABLE
Screw,adjusting,brake
Caterpillar Inc Div Caterpillar Defense
5342-01-506-525115P150NM INTERCHANGEABLE
Mount,resilient,weapon System
Oil States Industries, Inc. Div Special Products Div
Cross-Reference Index
Part NumberManufacturer
31112-3 Aurora Pump a Unit of General Signal Corp (USA)
31112-3 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
15P150A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
15P150A Oil States Industries, Inc. Div Special Products Div (USA)
MIL-M-17191D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6760-00-164-7187INTERCHANGEABLE
LENS,CAMERA,MOTION PICTURE
311-123
5342-00-473-3397INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5342-00-473-3400INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5342-00-531-9170INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4820-00-555-9761INTERCHANGEABLE
COCK,DRAIN
5305-00-927-0271INTERCHANGEABLE
SCREW,ADJUSTING,BRAKE
4D3264
5342-01-506-5251INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
15P150NM

Frequently Asked Questions

What is NSN 5342-00-550-9525?

NSN 5342-00-550-9525 is a Mount,resilient,weapon System, manufactured by Aurora Pump a Unit of General Signal Corp, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-550-9525?

NSN 5342-00-550-9525 has 5 cross-referenced part numbers: 31112-3 (Aurora Pump a Unit of General Signal Corp), 31112-3 (Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp), 15P150A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 15P150A (Oil States Industries, Inc. Div Special Products Div), MIL-M-17191D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5342-00-550-9525?

There are 7 known substitutes for 5342-00-550-9525: 6760-00-164-7187, 5342-00-473-3397, 5342-00-473-3400 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31112-3?

Key specifications for 31112-3: Inside Diameter: 0.635 INCHES NOMINAL IN; Distance From Flange to End: 1.873 INCHES NOMINAL IN; Height: 3.2595 INCHES NOMINAL IN; Flange Mounting Hole Diameter: 0.6406 INCHES NOMINAL IN. 14 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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