PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X12339Bushing,pipe

Eagle Crusher Co Inc Dba Stedman Machine Co · NSN 4730-00-618-7038 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-618-7038 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-618-7038. Primary manufacturer part number: X12339.
Features
  • Bushing,pipe — FSC 4730
  • Internal Thread Direction: RIGHT-HAND
  • External Screw Thread Series Designator: NPT
  • External Thread Direction: RIGHT-HAND
  • Internal Screw Thread Series Designator: NPT
  • Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
  • Material: COPPER ALLOY
  • Internal Thread Size: 1/4-18
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Bushing,pipe, cataloged under National Stock Number 4730-00-618-7038, 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 Eagle Crusher Co Inc Dba Stedman Machine Co. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-618-7038
Primary Part NumberX12339
Item NameBushing,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEagle Crusher Co Inc Dba Stedman Machine Co
StatusACTIVE
Internal Thread DirectionRIGHT-HAND
External Screw Thread Series DesignatorNPT
External Thread DirectionRIGHT-HAND
Internal Screw Thread Series DesignatorNPT
Style DesignatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
MaterialCOPPER ALLOY
Internal Thread Size1/4-18
External Thread Size3/8-18
Working Pressure and Service Type125.0 POUNDS PER SQUARE INCH (PSI) NOMINAL STEAM AND 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER AND 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3455-00-248-4934 INTERCHANGEABLE
File,rotary
5998-00-386-126850489 INTERCHANGEABLE
Circuit Card Assembly
Alliant Techsystems Operations Llc Div Defense Electronic Systems
5330-00-641-315734531 INTERCHANGEABLE
Seal,plain Encased
Allianz Sweeper Company
3110-01-022-953051003 INTERCHANGEABLE
Retainer and Rollers,bearing
Paccar Winch Inc Dba Paccar Winch Division
5999-01-270-0025 INTERCHANGEABLE
Contact Kit,electrical
6240-01-344-955350489 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
5365-01-381-1186 INTERCHANGEABLE
Port Retainer Set
5310-01-451-084550489 INTERCHANGEABLE
Washer,shouldered
L3 Technologies, Inc. Div L3 Keo
5365-01-589-6607 INTERCHANGEABLE
Plug,machine Thread
Cross-Reference Index
Part NumberManufacturer
X12339 Eagle Crusher Co Inc Dba Stedman Machine Co (USA)
50489 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
X12339 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
3455-00-248-4934INTERCHANGEABLE
FILE,ROTARY
5998-00-386-1268INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
50489
5330-00-641-3157INTERCHANGEABLE
SEAL,PLAIN ENCASED
34531
3110-01-022-9530INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
51003
5999-01-270-0025INTERCHANGEABLE
CONTACT KIT,ELECTRICAL
6240-01-344-9553INTERCHANGEABLE
LAMP,METAL HALIDE
50489
5365-01-381-1186INTERCHANGEABLE
PORT RETAINER SET
5310-01-451-0845INTERCHANGEABLE
WASHER,SHOULDERED
50489
5365-01-589-6607INTERCHANGEABLE
PLUG,MACHINE THREAD

Frequently Asked Questions

What is NSN 4730-00-618-7038?

NSN 4730-00-618-7038 is a Bushing,pipe, manufactured by Eagle Crusher Co Inc Dba Stedman Machine Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-618-7038?

NSN 4730-00-618-7038 has 3 cross-referenced part numbers: X12339 (Eagle Crusher Co Inc Dba Stedman Machine Co), 50489 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), X12339 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 4730-00-618-7038?

There are 9 known substitutes for 4730-00-618-7038: 3455-00-248-4934, 5998-00-386-1268, 5330-00-641-3157 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X12339?

Key specifications for X12339: Special Features: 0.750 IN.MIN,1.062 IN.MAX LG O/A;EXTERNAL PIPE THD LG,0.590 IN.;INTERNAL PIPE THD LG,0.625 IN. IN; Internal Thread Direction: RIGHT-HAND; External Screw Thread Series Designator: NPT; External Thread Direction: RIGHT-HAND. 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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