PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1FX73Plug,pipe

Oshkosh Corp · NSN 4730-00-289-5176 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-5176 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-5176. Primary manufacturer part number: 1FX73.
Features
  • Plug,pipe — FSC 4730
  • Material Document and Classification: ANSI B16.14 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-633 FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Nominal Pipe Size for Which Designed: 0.500 INCHES IN
  • Body Type: SOLID
  • Thread Direction: RIGHT-HAND EXTERNAL
  • Thread Series Designator: NPTF EXTERNAL
  • Nominal Thread Size: 0.500 INCHES EXTERNAL IN
  • Drive End Style: RECESSED HEXAGON
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron or Steel Overall construction
General Description

The Plug,pipe, cataloged under National Stock Number 4730-00-289-5176, 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 Oshkosh Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 36 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-289-5176
Primary Part Number1FX73
Item NamePlug,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerOshkosh Corp
StatusCANCELLED
Material Document and ClassificationANSI B16.14 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-633 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Nominal Pipe Size for Which Designed0.500 INCHES IN
Body TypeSOLID
Thread DirectionRIGHT-HAND EXTERNAL
Thread Series DesignatorNPTF EXTERNAL
Nominal Thread Size0.500 INCHES EXTERNAL IN
Drive End StyleRECESSED HEXAGON
Connection StylePLAIN
Head TypeSOLID
MaterialIRON OR STEEL OVERALL
Specification/standard Data81348-WW-P-471 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-045-97711170480 INTERCHANGEABLE
Plug,pipe,magnetic
Chrysler Corp Dayton Plant 1
1560-00-122-17515115214 INTERCHANGEABLE
Fairing,aircraft
The Boeing Company
4730-00-152-60705115214 INTERCHANGEABLE
Plug,pipe
Rolls-Royce Solutions America Inc
3020-00-484-84612P248 INTERCHANGEABLE
Gear,output
Dana Corp Spicer Transmission Div
5950-00-646-3171 INTERCHANGEABLE
Core,electromagnetic Component
2520-00-740-990804068479 INTERCHANGEABLE
Propeller Shaft with Universal J
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
5961-01-102-6556 INTERCHANGEABLE
Transistor
5310-01-107-769748244 INTERCHANGEABLE
Washer
Mcneil Ohio Corp
4730-01-135-8310 INTERCHANGEABLE
Plug,pipe,magnetic
4730-01-197-7779048-00244-000 INTERCHANGEABLE
Restrictor,fluid Flow
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Cross-Reference Index
Part NumberManufacturer
1FX73 Oshkosh Corp (USA)
MS49005-8 Pittsburgh Plug and Products Corp (USA)
MS49005-8 Esco Inc (USA)
A300X4 General Signal Corp (USA)
444703 General Motors Corp (USA)
S195A Cummins Inc. (USA)
293742R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
7372879 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
MS49005-8 General Signal Corp (USA)
8169003 Us Army Aviation and Missile Command (USA)
MS49005-8 Cummins Inc. (USA)
0230810-00 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
5115214 Mitchell Diesel Limited T/a Mitchell Powersystems (GBR)
15H624 John Deere Construction & Forestry Company Div Direct Governmental Sales (USA)
5145012 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS49005-8 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
MS49005-8 Dresser, Llc (USA)
MS49005-8 General Motors Corp (USA)
AA59616ACABUD Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
WWP471 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-045-9771INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
1170480
1560-00-122-1751INTERCHANGEABLE
FAIRING,AIRCRAFT
5115214
4730-00-152-6070INTERCHANGEABLE
PLUG,PIPE
5115214
3020-00-484-8461INTERCHANGEABLE
GEAR,OUTPUT
2P248
5950-00-646-3171INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
2520-00-740-9908INTERCHANGEABLE
PROPELLER SHAFT WITH UNIVERSAL J
04068479
5961-01-102-6556INTERCHANGEABLE
TRANSISTOR
5310-01-107-7697INTERCHANGEABLE
WASHER
48244
4730-01-135-8310INTERCHANGEABLE
PLUG,PIPE,MAGNETIC
4730-01-197-7779INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00244-000
5930-01-199-4237INTERCHANGEABLE
SWITCH,PRESSURE
6610-01-280-3427INTERCHANGEABLE
INNER GIMBAL SUBASSEMBLY
50647

Frequently Asked Questions

What is NSN 4730-00-289-5176?

NSN 4730-00-289-5176 is a Plug,pipe, manufactured by Oshkosh Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-289-5176?

NSN 4730-00-289-5176 has 50 cross-referenced part numbers: 1FX73 (Oshkosh Corp), MS49005-8 (Pittsburgh Plug and Products Corp), MS49005-8 (Esco Inc), A300X4 (General Signal Corp), 444703 (General Motors Corp) and 45 more.

What NSN replaces 4730-00-289-5176?

There are 12 known substitutes for 4730-00-289-5176: 4730-00-045-9771, 1560-00-122-1751, 4730-00-152-6070 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1FX73?

Key specifications for 1FX73: Material Document and Classification: ANSI B16.14 ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-633 FED SPEC 2ND MATERIAL RESPONSE OVERALL; Nominal Pipe Size for Which Designed: 0.500 INCHES IN; Body Type: SOLID; Thread Direction: RIGHT-HAND EXTERNAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-289-5176 still in active supply?

NSN 4730-00-289-5176 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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