PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILF5509Bushing,pipe

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-014-4043 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-014-4043 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-014-4043. Primary manufacturer part number: MILF5509.
Features
  • Bushing,pipe — FSC 4730
  • Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
  • Criticality Code Justification: FEAT
  • Internal Thread Direction: RIGHT-HAND
  • External Screw Thread Series Designator: ANPT
  • Specification/standard Data: 81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 88044-AN912 GOVERNMENT STANDARD
  • External Thread Direction: RIGHT-HAND
  • Internal Screw Thread Series Designator: ANPT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Bushing,pipe, cataloged under National Stock Number 4730-00-014-4043, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 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
NSN4730-00-014-4043
Primary Part NumberMILF5509
Item NameBushing,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Style DesignatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
Criticality Code JustificationFEAT
Internal Thread DirectionRIGHT-HAND
External Screw Thread Series DesignatorANPT
Specification/standard Data81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 88044-AN912 GOVERNMENT STANDARD
External Thread DirectionRIGHT-HAND
Internal Screw Thread Series DesignatorANPT
MaterialSTEEL
External Thread Size3/8-18
Internal Thread Size1/4-18
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-151-2690 INTERCHANGEABLE
Bolt,machine
6220-00-250-6900116332 INTERCHANGEABLE
Panel,indicating,light Transmitt
Astronautics Corporation of America
4730-00-277-9386166D1 INTERCHANGEABLE
Bushing,pipe
Curtiss-Wright Controls, Inc. Div Actuation Division
4730-00-278-3912125795-6-4 INTERCHANGEABLE
Bushing,pipe
Cadillac Gage Textron Inc.
1560-00-450-025011633-002 INTERCHANGEABLE
Adapter,drive Shaft
B.w. Elliott Manufacturing Co., Llc
5955-00-496-2467 INTERCHANGEABLE
Oscillator Subassembly
4730-00-622-1617AS4861J05 INTERCHANGEABLE
Bushing,pipe
Sae International Dba Sae International
4730-00-812-5424AS4861J10 INTERCHANGEABLE
Bushing,pipe
Sae International Dba Sae International
5998-01-031-4730 INTERCHANGEABLE
Holder,electrical Card
4730-01-301-0420 INTERCHANGEABLE
Bushing,pipe
Cross-Reference Index
Part NumberManufacturer
MILF5509 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
221-1086 Cnh Industrial America Llc Dba Cnh America (USA)
A90383-1 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
144043 General Motors Corp (USA)
AN912 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AS4842 Society of Automotive Engineers Inc (USA)
AS4842 Sae International Dba Sae International (USA)
116332 Rolls-Royce Solutions America Inc (USA)
4730PL0627447 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5306-00-151-2690INTERCHANGEABLE
BOLT,MACHINE
6220-00-250-6900INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
116332
4730-00-277-9386INTERCHANGEABLE
BUSHING,PIPE
166D1
4730-00-278-3912INTERCHANGEABLE
BUSHING,PIPE
125795-6-4
1560-00-450-0250INTERCHANGEABLE
ADAPTER,DRIVE SHAFT
11633-002
5955-00-496-2467INTERCHANGEABLE
OSCILLATOR SUBASSEMBLY
4730-00-622-1617INTERCHANGEABLE
BUSHING,PIPE
AS4861J05
4730-00-812-5424INTERCHANGEABLE
BUSHING,PIPE
AS4861J10
5998-01-031-4730INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
4730-01-301-0420INTERCHANGEABLE
BUSHING,PIPE
5935-01-369-0835INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
980-000-345
5962-01-425-2250INTERCHANGEABLE
MICROCIRCUIT,MEMORY
523775-1

Frequently Asked Questions

What is NSN 4730-00-014-4043?

NSN 4730-00-014-4043 is a Bushing,pipe, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-014-4043?

NSN 4730-00-014-4043 has 9 cross-referenced part numbers: MILF5509 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 221-1086 (Cnh Industrial America Llc Dba Cnh America), A90383-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 144043 (General Motors Corp), AN912 (Aeronautical Standards Group Dept of Navy and Air Force) and 4 more.

What NSN replaces 4730-00-014-4043?

There are 12 known substitutes for 4730-00-014-4043: 5306-00-151-2690, 6220-00-250-6900, 4730-00-277-9386 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILF5509?

Key specifications for MILF5509: End Item Identification: GRUMMAN A10 AIRCRAFT;2320-01-097-0248,2320-01-097-0249,2320-01-100-7672,2320-01-097-0260,2320-01-195-7641 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); Special Features: WEAPON SYSTEM ESSENTIAL; Style Designator: OUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL); Criticality Code Justification: FEAT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-014-4043 still in active supply?

NSN 4730-00-014-4043 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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