PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66191Mount,resilient,weapon System

Drs Environmental Systems Inc · NSN 5342-01-038-2710 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-038-2710 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-038-2710. Primary manufacturer part number: 66191.
Features
  • Mount,resilient,weapon System — FSC 5342
  • Inside Diameter: 1.370 INCHES NOMINAL IN
  • Height: 1.150 INCHES NOMINAL IN
  • Major Outside Diameter: 1.750 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-038-2710, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-01-038-2710
Primary Part Number66191
Item NameMount,resilient,weapon System
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Inside Diameter1.370 INCHES NOMINAL IN
Height1.150 INCHES NOMINAL IN
Major Outside Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-202-826066191 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5360-01-119-485199136453 INTERCHANGEABLE
Spring
Alfa Laval Inc
1650-01-473-1479 INTERCHANGEABLE
Motor,hydraulic
6550-01-554-291666191 INTERCHANGEABLE
Gn-6 Metricel Membrane Filter
Pall Gelman Laboratory
5315-01-608-243366191 INTERCHANGEABLE
Pin,straight,headed
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
66191 Drs Environmental Systems Inc (USA)
A66191 Davey Compressor Co Div of Keco Industries Inc (USA)
66191 Davey Compressor Co Div of Keco Industries Inc (USA)
Related Parts
4820-00-202-8260INTERCHANGEABLE
VALVE,SAFETY RELIEF
66191
5360-01-119-4851INTERCHANGEABLE
SPRING
99136453
1650-01-473-1479INTERCHANGEABLE
MOTOR,HYDRAULIC
6550-01-554-2916INTERCHANGEABLE
GN-6 METRICEL MEMBRANE FILTER
66191
5315-01-608-2433INTERCHANGEABLE
PIN,STRAIGHT,HEADED
66191

Frequently Asked Questions

What is NSN 5342-01-038-2710?

NSN 5342-01-038-2710 is a Mount,resilient,weapon System, manufactured by Drs Environmental Systems Inc, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-038-2710?

NSN 5342-01-038-2710 has 3 cross-referenced part numbers: 66191 (Drs Environmental Systems Inc), A66191 (Davey Compressor Co Div of Keco Industries Inc), 66191 (Davey Compressor Co Div of Keco Industries Inc).

What NSN replaces 5342-01-038-2710?

There are 5 known substitutes for 5342-01-038-2710: 4820-00-202-8260, 5360-01-119-4851, 1650-01-473-1479 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66191?

Key specifications for 66191: Inside Diameter: 1.370 INCHES NOMINAL IN; Special Features: 0.375 IN. HOLE DIA THROUGH BOTH WALLS 0.750 IN. FROM BASE IN; Height: 1.150 INCHES NOMINAL IN; Major Outside Diameter: 1.750 INCHES NOMINAL IN. 4 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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