PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

431952Elbow,tube to Boss

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-00-846-3924 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-846-3924 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-846-3924. Primary manufacturer part number: 431952.
Features
  • Elbow,tube to Boss — FSC 4730
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Thread Series Designator: UNF FIRST END
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Surface Treatment: PASSIVATE OUTSIDE
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-846-3924, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4730-00-846-3924
Primary Part Number431952
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Seat Angle37.0 DEGREES FIRST END
Surface TreatmentPASSIVATE OUTSIDE
Nominal Thread Size0.500 INCHES SECOND END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Connection StyleDOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END
Thread Class3A FIRST END A
Flow Angle90.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Thread Class3A SECOND END A
Connection StyleFLARED (TUBE) FIRST END
Surface TreatmentPASSIVATE INSIDE
Leg Length1.080 INCHES NOMINAL SECOND END IN
Thread Series DesignatorUNF SECOND END
Leg Length1.130 INCHES NOMINAL FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-230-8976302015 INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
Cross-Reference Index
Part NumberManufacturer
431952 Royal Oak Gage, Inc (USA)
431952 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
431952 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4730-01-230-8976INTERCHANGEABLE
PLUG,PIPE
302015

Frequently Asked Questions

What is NSN 4730-00-846-3924?

NSN 4730-00-846-3924 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 4730-00-846-3924?

NSN 4730-00-846-3924 has 3 cross-referenced part numbers: 431952 (Royal Oak Gage, Inc), 431952 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 431952 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-00-846-3924?

There is 1 known substitute for 4730-00-846-3924: 4730-01-230-8976. Verify interchangeability with system specifications before substitution.

What are the specifications of 431952?

Key specifications for 431952: Connection Type: THREADED EXTERNAL TUBE FIRST END; Nominal Thread Size: 0.438 INCHES FIRST END IN; Thread Series Designator: UNF FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 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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