PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100669-1Seal Plate

American Turbo Systems Inc · NSN 5342-01-142-5733 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-01-142-5733 — this item is cataloged by the U.S. Government under National Stock Number 5342-01-142-5733. Primary manufacturer part number: 100669-1.
Features
  • Seal Plate — FSC 5342
  • 3 verified cross-references
  • Primary manufacturer: American Turbo Systems Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Plate, cataloged under National Stock Number 5342-01-142-5733, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is American Turbo Systems Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal Plate
FSC / FSG5342 — Mount,resilient,weapon System (FSG 53)
ManufacturersAmerican Turbo Systems Inc (CAGE 0WE82); Walker Power Systems, Inc. Dba Tiernay Turbines (CAGE 51913)
Technical Specifications
ParameterValue
NSN5342-01-142-5733
Primary Part Number100669-1
Item NameSeal Plate
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerAmerican Turbo Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-189-1469 INTERCHANGEABLE
Seal,plain Encased
4730-00-555-1767C227413-35 INTERCHANGEABLE
Nipple,pipe
Raytheon Company Dba Raytheon Co
3110-01-354-6374 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
100669 American Turbo Systems Inc (USA)
100669-1 Walker Power Systems, Inc. Dba Tiernay Turbines (USA)
100669-1 PRIMARY American Turbo Systems Inc (USA)
Related Parts
5330-00-189-1469INTERCHANGEABLE
SEAL,PLAIN ENCASED
4730-00-555-1767INTERCHANGEABLE
NIPPLE,PIPE
C227413-35
3110-01-354-6374INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 5342-01-142-5733?

NSN 5342-01-142-5733 is a Seal Plate, manufactured by American Turbo Systems Inc, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-01-142-5733?

NSN 5342-01-142-5733 has 3 cross-referenced part numbers: 100669 (American Turbo Systems Inc), 100669-1 (Walker Power Systems, Inc. Dba Tiernay Turbines), 100669-1 (American Turbo Systems Inc).

What NSN replaces 5342-01-142-5733?

There are 3 known substitutes for 5342-01-142-5733: 5330-00-189-1469, 4730-00-555-1767, 3110-01-354-6374. Verify interchangeability with system specifications before substitution.

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