PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

227464Elbow,tube to Boss

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-00-866-9979 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-866-9979 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-866-9979. Primary manufacturer part number: 227464.
Features
  • Elbow,tube to Boss — FSC 4730
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
  • Thread Class: 2A SECOND END A
  • Thread Class: 2A FIRST END A
  • Thread Series Designator: UNF FIRST END
  • Connection Style: CUSHION SEAL (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Thread Series Designator: UNF SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-866-9979, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN4730-00-866-9979
Primary Part Number227464
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Nominal Thread Size0.750 INCHES FIRST END IN
Thread Class2A SECOND END A
Thread Class2A FIRST END A
Thread Series DesignatorUNF FIRST END
Connection StyleCUSHION SEAL (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorUNF SECOND END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Nominal Thread Size0.562 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Leg Length0.875 INCHES NOMINAL FIRST END IN
Leg Length1.188 INCHES NOMINAL SECOND END IN
MaterialALUMINUM OVERALL
Flow Angle45.0 DEGREES
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-346-64762-27464 INTERCHANGEABLE
Hose Assembly,nonmetallic
Dresser Industries Inc Leroi Div
Cross-Reference Index
Part NumberManufacturer
227464 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
227464 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
4720-00-346-6476INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2-27464

Frequently Asked Questions

What is NSN 4730-00-866-9979?

NSN 4730-00-866-9979 is a Elbow,tube to Boss, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-866-9979?

NSN 4730-00-866-9979 has 2 cross-referenced part numbers: 227464 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 227464 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 4730-00-866-9979?

There is 1 known substitute for 4730-00-866-9979: 4720-00-346-6476. Verify interchangeability with system specifications before substitution.

What are the specifications of 227464?

Key specifications for 227464: Nominal Thread Size: 0.750 INCHES FIRST END IN; Thread Class: 2A SECOND END A; Thread Class: 2A FIRST END A; Thread Series Designator: UNF FIRST END. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com