PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PL45267-203Plug,machine Thread

Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control · NSN 5365-01-399-4623 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-399-4623 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-399-4623. Primary manufacturer part number: PL45267-203.
Features
  • Plug,machine Thread — FSC 5365
  • Connection Style: PLAIN
  • Thread Class: 2A EXTERNAL A
  • Style Designator: PLUG, MACHINE
  • Head Core Diameter: 0.187 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Head Type: CORED
  • Nominal Thread Size: 0.438 INCHES EXTERNAL IN
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Plug,machine Thread, cataloged under National Stock Number 5365-01-399-4623, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-399-4623
Primary Part NumberPL45267-203
Item NamePlug,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
StatusACTIVE
Connection StylePLAIN
Thread Class2A EXTERNAL A
Style DesignatorPLUG, MACHINE
Head Core Diameter0.187 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND EXTERNAL
Head TypeCORED
Nominal Thread Size0.438 INCHES EXTERNAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Head Height0.090 INCHES NOMINAL IN
Head Diameter0.560 INCHES NOMINAL IN
Thread Length0.360 INCHES NOMINAL EXTERNAL IN
Thread Series DesignatorUNF EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-116-2011 INTERCHANGEABLE
Transistor
5305-00-144-3900 INTERCHANGEABLE
Screw,machine
2640-00-511-3544211-17/B211-17 INTERCHANGEABLE
Valve,pneumatic Tire
Goodrich Corporation
4320-00-906-979224075 INTERCHANGEABLE
Impeller and Shaft
Industrial Technologies and Services Llc
3110-00-936-7399211-17 INTERCHANGEABLE
Ball,bearing
Cnh Industrial America Llc Dba Cnh America
3020-01-185-122721117 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
4320-01-207-248121117 INTERCHANGEABLE
Hanger and Piston Subassembly
Parker Hannifin Corporation Div Hydraulic Systems Division
4320-01-303-6402 INTERCHANGEABLE
Ring,wearing
6625-01-377-350821117-001/01A INTERCHANGEABLE
Analyzer,spectrum
Giga-Tronics Incorporated Dba Giga-Tronics
5970-01-387-761421117 INTERCHANGEABLE
Insulator,feedthru
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
21-117 Hii Unmanned Systems, Inc (USA)
42593-203 Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA)
PL45267-203 PRIMARY Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA)
SS-4-HPST Swagelok Co (USA)
SS-4-HPST Cajon Co (USA)
Related Parts
5961-00-116-2011INTERCHANGEABLE
TRANSISTOR
5305-00-144-3900INTERCHANGEABLE
SCREW,MACHINE
2640-00-511-3544INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
211-17/B211-17
4320-00-906-9792INTERCHANGEABLE
IMPELLER AND SHAFT
24075
3110-00-936-7399INTERCHANGEABLE
BALL,BEARING
211-17
3020-01-185-1227INTERCHANGEABLE
GEAR RACK
21117
4320-01-207-2481INTERCHANGEABLE
HANGER AND PISTON SUBASSEMBLY
21117
4320-01-303-6402INTERCHANGEABLE
RING,WEARING
6625-01-377-3508INTERCHANGEABLE
ANALYZER,SPECTRUM
21117-001/01A
5970-01-387-7614INTERCHANGEABLE
INSULATOR,FEEDTHRU
21117

Frequently Asked Questions

What is NSN 5365-01-399-4623?

NSN 5365-01-399-4623 is a Plug,machine Thread, manufactured by Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-399-4623?

NSN 5365-01-399-4623 has 5 cross-referenced part numbers: 21-117 (Hii Unmanned Systems, Inc), 42593-203 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control), PL45267-203 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control), SS-4-HPST (Swagelok Co), SS-4-HPST (Cajon Co).

What NSN replaces 5365-01-399-4623?

There are 10 known substitutes for 5365-01-399-4623: 5961-00-116-2011, 5305-00-144-3900, 2640-00-511-3544 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PL45267-203?

Key specifications for PL45267-203: Connection Style: PLAIN; Thread Class: 2A EXTERNAL A; Style Designator: PLUG, MACHINE; Head Core Diameter: 0.187 INCHES NOMINAL 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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