PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128140Bushing,pipe

General Motors Corp · NSN 4730-00-278-3203 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-3203 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-3203. Primary manufacturer part number: 128140.
Features
  • Bushing,pipe — FSC 4730
  • External Thread Size: 3/4-14
  • Internal Thread Direction: RIGHT-HAND
  • External Screw Thread Series Designator: NPT
  • Internal Screw Thread Series Designator: NPT
  • Nondefinitive Spec/std Data: 128140 PART
  • External Thread Direction: RIGHT-HAND
  • Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Bushing,pipe, cataloged under National Stock Number 4730-00-278-3203, 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 General Motors Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-3203
Primary Part Number128140
Item NameBushing,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
External Thread Size3/4-14
Internal Thread DirectionRIGHT-HAND
External Screw Thread Series DesignatorNPT
Internal Screw Thread Series DesignatorNPT
Nondefinitive Spec/std Data128140 PART
External Thread DirectionRIGHT-HAND
Style DesignatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
MaterialCOPPER ALLOY
Internal Thread Size1/2-14
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-278-3167209P-12-8 INTERCHANGEABLE
Bushing,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
3020-00-825-0692543-3798-002 INTERCHANGEABLE
Gear,spur
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
2590-01-556-6811128140 INTERCHANGEABLE
Block,tapping
Nd Defense Llc
Cross-Reference Index
Part NumberManufacturer
128140 General Motors Corp (USA)
Related Parts
4730-00-278-3167INTERCHANGEABLE
BUSHING,PIPE
209P-12-8
3020-00-825-0692INTERCHANGEABLE
GEAR,SPUR
543-3798-002
2590-01-556-6811INTERCHANGEABLE
BLOCK,TAPPING
128140

Frequently Asked Questions

What is NSN 4730-00-278-3203?

NSN 4730-00-278-3203 is a Bushing,pipe, manufactured by General Motors Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-278-3203?

NSN 4730-00-278-3203 has 1 cross-referenced part number: 128140 (General Motors Corp).

What NSN replaces 4730-00-278-3203?

There are 3 known substitutes for 4730-00-278-3203: 4730-00-278-3167, 3020-00-825-0692, 2590-01-556-6811. Verify interchangeability with system specifications before substitution.

What are the specifications of 128140?

Key specifications for 128140: External Thread Size: 3/4-14; Internal Thread Direction: RIGHT-HAND; External Screw Thread Series Designator: NPT; Internal Screw Thread Series Designator: NPT. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com