PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-400-7-2Adapter,straight,pipe to Tube

Swagelok Co · NSN 4730-00-722-1370 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-722-1370 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-722-1370. Primary manufacturer part number: B-400-7-2.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Nominal Overall Length: 1.230 INCHES IN
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Seat Angle: 20.0 DEGREES FIRST END
  • Thread Series Designator: NPT SECOND END
  • Connection Type: THREADED INTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-722-1370, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-722-1370
Primary Part NumberB-400-7-2
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Nominal Overall Length1.230 INCHES IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Seat Angle20.0 DEGREES FIRST END
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED INTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class3A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
Furnished Items and Quantity2 FERRULE SLEEVE AND 1 TUBE COUPLING NUT
Connection StyleFLARELESS (TUBE) FIRST END
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
1660-00-055-153040072 INTERCHANGEABLE
Valve Subassy,check
Avox Systems Inc Dba Avox Systems Inc
3455-00-232-903758-10127 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5330-00-900-6773PGF6050 INTERCHANGEABLE
Seal,plain Encased
Dana Off Highway Products, Llc
4720-01-243-0267 INTERCHANGEABLE
Hose Assembly,nonmetallic
8465-01-541-796540072 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
400KZ7-2 Swagelok Canada Ltd (CAN)
10607908-1 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
400-7-2 Swagelok Co (USA)
B-400-7-2 PRIMARY Swagelok Co (USA)
400 FSC 2N-B Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
B4-1FC-2 Tylok International, Inc. (USA)
4-2 GBZ-B-ZYF-BZP Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
4CF2 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
4-2GBZ-B/BZP/NY Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
4-2GBZ-B/BZP/NYLONFERRULES Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
4CF2 J R Douglass Company (USA)
400KZ7-2 PRIMARY Swagelok Co (USA)
B-400-7-2 Gascon Systems Pty Ltd (AUS)
10607908-1 Lockheed Martin Corporation (USA)
4FSC2N-B Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
Related Parts
1660-00-055-1530INTERCHANGEABLE
VALVE SUBASSY,CHECK
40072
3455-00-232-9037INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10127
5330-00-900-6773INTERCHANGEABLE
SEAL,PLAIN ENCASED
PGF6050
4720-01-243-0267INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
8465-01-541-7965INTERCHANGEABLE
HYDRATION SYSTEM
40072

Frequently Asked Questions

What is NSN 4730-00-722-1370?

NSN 4730-00-722-1370 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-722-1370?

NSN 4730-00-722-1370 has 15 cross-referenced part numbers: 400KZ7-2 (Swagelok Canada Ltd), 10607908-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 400-7-2 (Swagelok Co), B-400-7-2 (Swagelok Co), 400 FSC 2N-B (Parker-Hannifin Corporation Div Instrumentation Products Division) and 10 more.

What NSN replaces 4730-00-722-1370?

There are 5 known substitutes for 4730-00-722-1370: 1660-00-055-1530, 3455-00-232-9037, 5330-00-900-6773 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-400-7-2?

Key specifications for B-400-7-2: Nominal Thread Size: 0.125 INCHES SECOND END IN; Nominal Thread Size: 0.438 INCHES FIRST END IN; Nominal Overall Length: 1.230 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-722-1370 still in active supply?

NSN 4730-00-722-1370 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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