PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN780C3Adapter,straight,pipe to Tube

Aeronautical Standards Group Dept of Navy and Air Force · NSN 4730-00-287-1134 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-1134 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-1134. Primary manufacturer part number: AN780C3.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Thread Series Designator: UNF FIRST END
  • Thread Series Designator: ANPT SECOND END
  • Seat Angle: 45.0 DEGREES FIRST END
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Class: 3A FIRST END A
  • Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-287-1134, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4730-00-287-1134
Primary Part NumberAN780C3
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Thread Series DesignatorUNF FIRST END
Thread Series DesignatorANPT SECOND END
Seat Angle45.0 DEGREES FIRST END
Surface TreatmentPASSIVATE OVERALL
Thread Class3A FIRST END A
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Overall Length0.938 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.125 INCHES SECOND END IN
Connection StyleINVERTED FLARE (TUBE) FIRST END
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.375 INCHES FIRST END IN
MaterialSTEEL COMP 302 OVERALL
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
4730-00-278-0830 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
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
Cross-Reference Index
Part NumberManufacturer
AN780C3 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-F-6001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN780 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
Related Parts
4730-00-203-4681INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-277-6403INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-278-0830INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
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

Frequently Asked Questions

What is NSN 4730-00-287-1134?

NSN 4730-00-287-1134 is a Adapter,straight,pipe to Tube, 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 4730-00-287-1134?

NSN 4730-00-287-1134 has 4 cross-referenced part numbers: AN780C3 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-F-6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN780 (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).

What NSN replaces 4730-00-287-1134?

There are 12 known substitutes for 4730-00-287-1134: 4730-00-203-4681, 4730-00-277-6403, 4730-00-278-0830 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN780C3?

Key specifications for AN780C3: Thread Series Designator: UNF FIRST END; Thread Series Designator: ANPT SECOND END; Seat Angle: 45.0 DEGREES FIRST END; Surface Treatment: PASSIVATE OVERALL. 15 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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