PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS50-834K-J4Tee,tube

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · NSN 4730-01-357-8708 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-357-8708 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-357-8708. Primary manufacturer part number: SS50-834K-J4.
Features
  • Tee,tube — FSC 4730
  • Material: STEEL COMP 304 OVERALL
  • Thread Series Designator: UNF ALL ENDS
  • Thread Class: 3A THIRD END BULKHEAD A
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN
  • Surface Treatment: PASSIVATE OVERALL
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Leg Length: 0.953 INCHES NOMINAL SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-01-357-8708, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-357-8708
Primary Part NumberSS50-834K-J4
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
MaterialSTEEL COMP 304 OVERALL
Thread Series DesignatorUNF ALL ENDS
Thread Class3A THIRD END BULKHEAD A
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Surface TreatmentPASSIVATE OVERALL
Connection StyleFLARED (TUBE) ALL ENDS
Leg Length0.953 INCHES NOMINAL SECOND END IN
Leg Length1.578 INCHES NOMINAL THIRD END IN
Thread Class3A ALL ENDS A
Seat Angle37.0 DEGREES ALL ENDS
Leg Length0.953 INCHES NOMINAL FIRST END IN
Thread Series DesignatorUNF THIRD END BULKHEAD
Nominal Thread Size0.438 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6105-00-050-8340SS50 INTERCHANGEABLE
Motor,alternating Current
Kollmorgen
5930-00-539-766110395521 INTERCHANGEABLE
Switch,slide
Us Army Aviation and Missile Command
6130-01-552-6883SS50 INTERCHANGEABLE
Inverter,power,static
Gar Enterprises Dba Kgs Electronics
Cross-Reference Index
Part NumberManufacturer
SS50-834K-J4 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
SS50 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Related Parts
6105-00-050-8340INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
SS50
5930-00-539-7661INTERCHANGEABLE
SWITCH,SLIDE
10395521
6130-01-552-6883INTERCHANGEABLE
INVERTER,POWER,STATIC
SS50

Frequently Asked Questions

What is NSN 4730-01-357-8708?

NSN 4730-01-357-8708 is a Tee,tube, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-357-8708?

NSN 4730-01-357-8708 has 2 cross-referenced part numbers: SS50-834K-J4 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS50 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 4730-01-357-8708?

There are 3 known substitutes for 4730-01-357-8708: 6105-00-050-8340, 5930-00-539-7661, 6130-01-552-6883. Verify interchangeability with system specifications before substitution.

What are the specifications of SS50-834K-J4?

Key specifications for SS50-834K-J4: Material: STEEL COMP 304 OVERALL; Thread Series Designator: UNF ALL ENDS; Thread Class: 3A THIRD END BULKHEAD A; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES ALL ENDS IN. 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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