PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3545BPlug,machine Thread

Heyco Inc Dba Heyco Products · NSN 5365-01-628-5138 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-628-5138 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-628-5138. Primary manufacturer part number: 3545B.
Features
  • Plug,machine Thread — FSC 5365
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL
  • Thread Series Designator: NPT EXTERNAL
  • Exterior Color: BLACK OVERALL
  • Thread Length: 0.48 INCHES NOMINAL EXTERNAL IN
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Style Designator: PLUG, MACHINE
  • Nominal Thread Size: 0.50 INCHES EXTERNAL IN
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Plug,machine Thread, cataloged under National Stock Number 5365-01-628-5138, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-628-5138
Primary Part Number3545B
Item NamePlug,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHeyco Inc Dba Heyco Products
StatusACTIVE
Connection StyleEXTERNAL SEAT FOR GASKET SEAL
Thread Series DesignatorNPT EXTERNAL
Exterior ColorBLACK OVERALL
Thread Length0.48 INCHES NOMINAL EXTERNAL IN
Thread DirectionRIGHT-HAND EXTERNAL
Style DesignatorPLUG, MACHINE
Nominal Thread Size0.50 INCHES EXTERNAL IN
Head Height0.21 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Maximum Operating Temp221.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-578-903310-505-2 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
3120-00-709-7425 INTERCHANGEABLE
Bearing,sleeve
3510-00-935-7906 INTERCHANGEABLE
Coat Finisher,dry Cleaning
Cross-Reference Index
Part NumberManufacturer
3545B PRIMARY Heyco Inc Dba Heyco Products (USA)
Related Parts
5940-00-578-9033INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-505-2
3120-00-709-7425INTERCHANGEABLE
BEARING,SLEEVE
3510-00-935-7906INTERCHANGEABLE
COAT FINISHER,DRY CLEANING

Frequently Asked Questions

What is NSN 5365-01-628-5138?

NSN 5365-01-628-5138 is a Plug,machine Thread, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-628-5138?

NSN 5365-01-628-5138 has 1 cross-referenced part number: 3545B (Heyco Inc Dba Heyco Products).

What NSN replaces 5365-01-628-5138?

There are 3 known substitutes for 5365-01-628-5138: 5940-00-578-9033, 3120-00-709-7425, 3510-00-935-7906. Verify interchangeability with system specifications before substitution.

What are the specifications of 3545B?

Key specifications for 3545B: Connection Style: EXTERNAL SEAT FOR GASKET SEAL; Thread Series Designator: NPT EXTERNAL; Exterior Color: BLACK OVERALL; Thread Length: 0.48 INCHES NOMINAL EXTERNAL IN. 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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