PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91903-418Plug,pipe

Dynex/rivett Corp Power Units and Systems · NSN 4730-01-044-2447 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-044-2447 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-044-2447. Primary manufacturer part number: 91903-418.
Features
  • Plug,pipe — FSC 4730
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Thread Quantity Per Inch: 18 EXTERNAL
  • Body Type: SOLID
  • Drive End Style: RAISED HEXAGON
  • Connection Style: PLAIN
  • Head Type: SOLID
  • Material: STEEL OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-044-2447, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Dynex/rivett Corp Power Units and Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-044-2447
Primary Part Number91903-418
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDynex/rivett Corp Power Units and Systems
StatusACTIVE
Thread DirectionRIGHT-HAND EXTERNAL
Thread Quantity Per Inch18 EXTERNAL
Body TypeSOLID
Drive End StyleRAISED HEXAGON
Connection StylePLAIN
Head TypeSOLID
MaterialSTEEL OVERALL
Thread Series DesignatorNPT EXTERNAL
Nominal Thread Size0.250 INCHES EXTERNAL IN
Thread Class2A EXTERNAL A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-253-5038 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5330-00-351-67025A7554 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
5985-00-792-962291903 INTERCHANGEABLE
Insert,threaded
L3harris Technologies, Inc Div Space & Airborne Systems
5961-00-927-0799 INTERCHANGEABLE
Mounting Pad,transi
5945-01-014-8134 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
91903-418 PRIMARY Dynex/rivett Corp Power Units and Systems (USA)
91903 Dynex/rivett Corp Power Units and Systems (USA)
K-500-CH-1764 Kovatch Corp. (USA)
Related Parts
5999-00-253-5038INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5330-00-351-6702INTERCHANGEABLE
GASKET
5A7554
5985-00-792-9622INTERCHANGEABLE
INSERT,THREADED
91903
5961-00-927-0799INTERCHANGEABLE
MOUNTING PAD,TRANSI
5945-01-014-8134INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 4730-01-044-2447?

NSN 4730-01-044-2447 is a Plug,pipe, manufactured by Dynex/rivett Corp Power Units and Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-044-2447?

NSN 4730-01-044-2447 has 3 cross-referenced part numbers: 91903-418 (Dynex/rivett Corp Power Units and Systems), 91903 (Dynex/rivett Corp Power Units and Systems), K-500-CH-1764 (Kovatch Corp.).

What NSN replaces 4730-01-044-2447?

There are 5 known substitutes for 4730-01-044-2447: 5999-00-253-5038, 5330-00-351-6702, 5985-00-792-9622 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91903-418?

Key specifications for 91903-418: Thread Direction: RIGHT-HAND EXTERNAL; Thread Quantity Per Inch: 18 EXTERNAL; Body Type: SOLID; Drive End Style: RAISED HEXAGON. 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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