PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-300-8-2Elbow,pipe to Tube

Swagelok Co · NSN 4730-00-793-2820 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-793-2820 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-793-2820. Primary manufacturer part number: B-300-8-2.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Leg Length: 0.750 INCHES NOMINAL SECOND END IN
  • Thread Series Designator: UN FIRST END
  • Thread Quantity Per Inch: 20 FIRST END
  • Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE
  • Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END IN
  • Criticality Code Justification: FEAT
  • Leg Length: 0.719 INCHES NOMINAL FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-793-2820, 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 Swagelok Co. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4730-00-793-2820
Primary Part NumberB-300-8-2
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Leg Length0.750 INCHES NOMINAL SECOND END IN
Thread Series DesignatorUN FIRST END
Thread Quantity Per Inch20 FIRST END
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Nominal Outside Diameter Tube Accommodated0.188 INCHES FIRST END IN
Criticality Code JustificationFEAT
Leg Length0.719 INCHES NOMINAL FIRST END IN
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.125 INCHES SECOND END IN
Seat Angle20.0 DEGREES FIRST END
Connection StyleFLARELESS (TUBE) FIRST END
Flow Angle90.0 DEGREES
Thread Class3A FIRST END A
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.375 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-363-3925HAS-015K INTERCHANGEABLE
Heating Unit,electric Soldering
Master Appliance Corporation Dba Master Appliance Corp
5950-00-686-623021F18 INTERCHANGEABLE
Transformer,power
Thordarson Inc
6210-00-847-540116-30082 INTERCHANGEABLE
Light,indicator
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5930-00-850-14303008-2 INTERCHANGEABLE
Switch Assembly
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5935-01-051-182180-48012-000 INTERCHANGEABLE
Connector,receptacle,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5998-01-119-5013 INTERCHANGEABLE
Circuit Card Assembly
5905-01-157-9933 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5895-01-223-4569 INTERCHANGEABLE
Up Converter
1630-01-229-761730082 INTERCHANGEABLE
Piston,brake Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-01-278-950930082 INTERCHANGEABLE
Gasket
W.w. Grainger, Inc. Div Government Sales Division
Cross-Reference Index
Part NumberManufacturer
300-8-2 Swagelok Co (USA)
B-300-8-2 PRIMARY Swagelok Co (USA)
3-2 DBZ-B Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
3LF2 J R Douglass Company (USA)
3LF2 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
3439-00-363-3925INTERCHANGEABLE
HEATING UNIT,ELECTRIC SOLDERING
HAS-015K
5950-00-686-6230INTERCHANGEABLE
TRANSFORMER,POWER
21F18
6210-00-847-5401INTERCHANGEABLE
LIGHT,INDICATOR
16-30082
5930-00-850-1430INTERCHANGEABLE
SWITCH ASSEMBLY
3008-2
5935-01-051-1821INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
80-48012-000
5998-01-119-5013INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5905-01-157-9933INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5895-01-223-4569INTERCHANGEABLE
UP CONVERTER
1630-01-229-7617INTERCHANGEABLE
PISTON,BRAKE VALVE
30082
5330-01-278-9509INTERCHANGEABLE
GASKET
30082
4510-01-349-3977INTERCHANGEABLE
PARTS KIT,WATER MIXING VALVE
8465-01-517-4769INTERCHANGEABLE
HYDRATION SYSTEM
13156

Frequently Asked Questions

What is NSN 4730-00-793-2820?

NSN 4730-00-793-2820 is a Elbow,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-793-2820?

NSN 4730-00-793-2820 has 5 cross-referenced part numbers: 300-8-2 (Swagelok Co), B-300-8-2 (Swagelok Co), 3-2 DBZ-B (Parker-Hannifin Corporation Div Instrumentation Products Division), 3LF2 (J R Douglass Company), 3LF2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4730-00-793-2820?

There are 12 known substitutes for 4730-00-793-2820: 3439-00-363-3925, 5950-00-686-6230, 6210-00-847-5401 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-300-8-2?

Key specifications for B-300-8-2: Leg Length: 0.750 INCHES NOMINAL SECOND END IN; Thread Series Designator: UN FIRST END; Thread Quantity Per Inch: 20 FIRST END; Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE. 19 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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