PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73477Elbow,pipe to Tube

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 4730-01-204-7939 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-204-7939 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-204-7939. Primary manufacturer part number: 73477.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Thread Class: A2A FIRST END
  • Seat Angle: 45.0 DEGREES FIRST END
  • Leg Length: 0.910 INCHES MINIMUM AND 0.965 INCHES MAXIMUM FIRST END IN
  • Thread Series Designator: NPT SECOND END
  • Leg Length: 0.780 INCHES MINIMUM AND 0.940 INCHES MAXIMUM SECOND END IN
  • Connection Style: INVERTED FLARE (PIPE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy or Copper Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-204-7939, 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 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-204-7939
Primary Part Number73477
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
Nominal Thread Size0.500 INCHES FIRST END IN
Thread ClassA2A FIRST END
Seat Angle45.0 DEGREES FIRST END
Leg Length0.910 INCHES MINIMUM AND 0.965 INCHES MAXIMUM FIRST END IN
Thread Series DesignatorNPT SECOND END
Leg Length0.780 INCHES MINIMUM AND 0.940 INCHES MAXIMUM SECOND END IN
Connection StyleINVERTED FLARE (PIPE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
MaterialCOPPER ALLOY OR COPPER OVERALL
Seat Angle30.0 DEGREES SECOND END
Flow Angle90.0 DEGREES
Media for Which DesignedFLUID SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6630-00-394-774251500 INTERCHANGEABLE
Tester,aniline Poin
Precision Scientific Petroleum Instruments Co
Cross-Reference Index
Part NumberManufacturer
73477 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
6630-00-394-7742INTERCHANGEABLE
TESTER,ANILINE POIN
51500

Frequently Asked Questions

What is NSN 4730-01-204-7939?

NSN 4730-01-204-7939 is a Elbow,pipe to Tube, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-204-7939?

NSN 4730-01-204-7939 has 1 cross-referenced part number: 73477 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 4730-01-204-7939?

There is 1 known substitute for 4730-01-204-7939: 6630-00-394-7742. Verify interchangeability with system specifications before substitution.

What are the specifications of 73477?

Key specifications for 73477: Nominal Thread Size: 0.500 INCHES FIRST END IN; Thread Class: A2A FIRST END; Seat Angle: 45.0 DEGREES FIRST END; Leg Length: 0.910 INCHES MINIMUM AND 0.965 INCHES MAXIMUM FIRST END IN. 17 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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