PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

344BPlug,machine Thread

Siemens Energy, Inc. Dba Dresser-Rand · NSN 5365-00-393-3583 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-393-3583 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-393-3583. Primary manufacturer part number: 344B.
Features
  • Plug,machine Thread — FSC 5365
  • Thread Class: 2A EXTERNAL A
  • Connection Style: PLAIN
  • Style Designator: PLUG, MACHINE
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Washer Face Thickness: 0.250 INCHES NOMINAL IN
  • Head Height: 0.500 INCHES NOMINAL IN
  • Thread Length: 0.875 INCHES NOMINAL EXTERNAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Plug,machine Thread, cataloged under National Stock Number 5365-00-393-3583, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc. Dba Dresser-Rand. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-393-3583
Primary Part Number344B
Item NamePlug,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerSiemens Energy, Inc. Dba Dresser-Rand
StatusACTIVE
Thread Class2A EXTERNAL A
Connection StylePLAIN
Style DesignatorPLUG, MACHINE
Thread DirectionRIGHT-HAND EXTERNAL
Washer Face Thickness0.250 INCHES NOMINAL IN
Head Height0.500 INCHES NOMINAL IN
Thread Length0.875 INCHES NOMINAL EXTERNAL IN
MaterialSTEEL OVERALL
Washer Face Diameter1.578 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-734-4416327-103 INTERCHANGEABLE
Probe,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
344B Siemens Energy, Inc. Dba Dresser-Rand (USA)
344B Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
344B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
6625-00-734-4416INTERCHANGEABLE
PROBE,TEST
327-103

Frequently Asked Questions

What is NSN 5365-00-393-3583?

NSN 5365-00-393-3583 is a Plug,machine Thread, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-393-3583?

NSN 5365-00-393-3583 has 3 cross-referenced part numbers: 344B (Siemens Energy, Inc. Dba Dresser-Rand), 344B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 344B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture).

What NSN replaces 5365-00-393-3583?

There is 1 known substitute for 5365-00-393-3583: 6625-00-734-4416. Verify interchangeability with system specifications before substitution.

What are the specifications of 344B?

Key specifications for 344B: Thread Class: 2A EXTERNAL A; Connection Style: PLAIN; Overall Length: 2.406 INCHES NOMINAL IN; Style Designator: PLUG, MACHINE. 10 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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