PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CT-3Boot,dust and Moisture Seal

Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc · NSN 5340-01-108-3770 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-108-3770 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-108-3770. Primary manufacturer part number: CT-3.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • Style Designator: THRU-HOLE, EXPANDABLE
  • Material: NYLON (USE PCP000) AND RUBBER SYNTHETIC BODY
  • Mounting Method: CLAMP
  • Body Height: 24.000 INCHES NOMINAL IN
  • Opening Inside Diameter: 3.000 INCHES NOMINAL IN
  • Mounting Device Quantity: 2
  • Sealing Method: COMPRESSION
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Nylon (use Pcp000) and Rubber Synthetic Body construction
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-108-3770, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-108-3770
Primary Part NumberCT-3
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerDynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
StatusACTIVE
Style DesignatorTHRU-HOLE, EXPANDABLE
MaterialNYLON (USE PCP000) AND RUBBER SYNTHETIC BODY
Mounting MethodCLAMP
Body Height24.000 INCHES NOMINAL IN
Opening Inside Diameter3.000 INCHES NOMINAL IN
Mounting Device Quantity2
Sealing MethodCOMPRESSION
Hazardous Locations/environmental ProtectionDIRT RESISTANT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
3010-00-441-1627D1-3 INTERCHANGEABLE
Coupling,shaft,rigid
Roller Bearing Co of America, Inc Div Pic Design
3510-00-821-6962 INTERCHANGEABLE
Drying Tumbler,laundry,commercia
5910-00-888-1333CT3 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Fluke Corp
5120-01-263-8757CT4L INTERCHANGEABLE
Crimping Tool,terminal,hand
Trompeter Electronics, Inc.
5120-01-617-9073CT3 INTERCHANGEABLE
Crimping Tool,terminal,hand
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
CT-3 PRIMARY Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc (USA)
Related Parts
3010-00-441-1627INTERCHANGEABLE
COUPLING,SHAFT,RIGID
D1-3
3510-00-821-6962INTERCHANGEABLE
DRYING TUMBLER,LAUNDRY,COMMERCIA
5910-00-888-1333INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
CT3
5120-01-263-8757INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
CT4L
5120-01-617-9073INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
CT3

Frequently Asked Questions

What is NSN 5340-01-108-3770?

NSN 5340-01-108-3770 is a Boot,dust and Moisture Seal, manufactured by Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-108-3770?

NSN 5340-01-108-3770 has 1 cross-referenced part number: CT-3 (Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc).

What NSN replaces 5340-01-108-3770?

There are 5 known substitutes for 5340-01-108-3770: 3010-00-441-1627, 3510-00-821-6962, 5910-00-888-1333 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CT-3?

Key specifications for CT-3: Style Designator: THRU-HOLE, EXPANDABLE; Material: NYLON (USE PCP000) AND RUBBER SYNTHETIC BODY; Mounting Method: CLAMP; Body Height: 24.000 INCHES NOMINAL IN. 9 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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