PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN800-5Ferrule,brazing,tube Fitting

Aeronautical Standards Group Dept of Navy and Air Force · NSN 4730-00-278-0830 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-0830 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-0830. Primary manufacturer part number: AN800-5.
Features
  • Ferrule,brazing,tube Fitting — FSC 4730
  • Seat Radius: 0.266 INCHES NOMINAL IN
  • Sleeve Outside Diameter: 0.375 INCHES NOMINAL IN
  • Flange Inside Diameter: 0.219 INCHES NOMINAL IN
  • Style Designator: COMPRESSION
  • Flange Width: 0.156 INCHES NOMINAL IN
  • Hose/tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN
  • Flange Face Diameter: 0.266 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-00-278-0830, 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 Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-0830
Primary Part NumberAN800-5
Item NameFerrule,brazing,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Seat Radius0.266 INCHES NOMINAL IN
Sleeve Outside Diameter0.375 INCHES NOMINAL IN
Flange Inside Diameter0.219 INCHES NOMINAL IN
Style DesignatorCOMPRESSION
Flange Width0.156 INCHES NOMINAL IN
Hose/tube Outside Diameter for Which Designed0.312 INCHES NOMINAL IN
Flange Face Diameter0.266 INCHES NOMINAL IN
Distance From Flanged End to Tubing Clearance Hole0.219 INCHES NOMINAL IN
Flange Outside Diameter0.437 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-203-4681 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-277-6403 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-278-083274962 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4730-00-278-0833 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
4730-00-278-0837 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
4730-00-278-5449 INTERCHANGEABLE
Nut,tube Coupling
4730-00-278-5453 INTERCHANGEABLE
Nut,tube Coupling
4730-00-287-1128 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-287-1130 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-287-1131 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
AN800-5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-DTL-6001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF6001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-203-4681INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-277-6403INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-278-0832INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
74962
4730-00-278-0833INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
4730-00-278-0837INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
4730-00-278-5449INTERCHANGEABLE
NUT,TUBE COUPLING
4730-00-278-5453INTERCHANGEABLE
NUT,TUBE COUPLING
4730-00-287-1128INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-287-1130INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-287-1131INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-287-1132INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-287-1134INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-00-278-0830?

NSN 4730-00-278-0830 is a Ferrule,brazing,tube Fitting, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-278-0830?

NSN 4730-00-278-0830 has 3 cross-referenced part numbers: AN800-5 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-DTL-6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-278-0830?

There are 12 known substitutes for 4730-00-278-0830: 4730-00-203-4681, 4730-00-277-6403, 4730-00-278-0832 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN800-5?

Key specifications for AN800-5: Seat Radius: 0.266 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.375 INCHES NOMINAL IN; Flange Inside Diameter: 0.219 INCHES NOMINAL IN; Style Designator: COMPRESSION. 12 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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