PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-F-8789Elbow,tube to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-064-2660 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-064-2660 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-064-2660. Primary manufacturer part number: MIL-F-8789.
Features
  • Elbow,tube to Hose — FSC 4730
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
  • Flow Angle: 45.0 DEGREES
  • Specification/standard Data: 96906-MS28780 GOVERNMENT STANDARD
  • Surface Treatment: CADMIUM OUTSIDE
  • Nominal Outside Diameter Hose Accommodated: 0.859 INCHES SECOND END IN
  • Surface Treatment: CADMIUM INSIDE
  • Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,tube to Hose, cataloged under National Stock Number 4730-00-064-2660, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-064-2660
Primary Part NumberMIL-F-8789
Item NameElbow,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
Flow Angle45.0 DEGREES
Specification/standard Data96906-MS28780 GOVERNMENT STANDARD
Surface TreatmentCADMIUM OUTSIDE
Nominal Outside Diameter Hose Accommodated0.859 INCHES SECOND END IN
Surface TreatmentCADMIUM INSIDE
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Seat Angle37.0 DEGREES FIRST END
Leg Length0.490 INCHES NOMINAL FIRST END IN
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Nominal Thread Size0.750 INCHES FIRST END IN
Thread Class3B FIRST END
Leg Length3.125 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Furnished Items and Quantity1 HOSE COUPLING NUT
Nominal Inside Diameter Hose Accommodated0.438 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-541-4253 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-541-6605 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-541-6606 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-541-6607 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-541-6608 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-554-7832 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-554-7833 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
MIL-F-8789 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-8789 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS28780-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-541-4253INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-541-6605INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-541-6606INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-541-6607INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-541-6608INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-554-7832INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-554-7833INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE

Frequently Asked Questions

What is NSN 4730-00-064-2660?

NSN 4730-00-064-2660 is a Elbow,tube to Hose, 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: active.

What are the part numbers for NSN 4730-00-064-2660?

NSN 4730-00-064-2660 has 3 cross-referenced part numbers: MIL-F-8789 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-8789 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28780-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-064-2660?

There are 7 known substitutes for 4730-00-064-2660: 4730-00-541-4253, 4730-00-541-6605, 4730-00-541-6606 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-F-8789?

Key specifications for MIL-F-8789: Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END; Flow Angle: 45.0 DEGREES; Specification/standard Data: 96906-MS28780 GOVERNMENT STANDARD; Surface Treatment: CADMIUM OUTSIDE. 18 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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