PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4GBTX-BAdapter,straight,pipe to Boss

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-277-7910 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-7910 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-7910. Primary manufacturer part number: 4GBTX-B.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Thread Series Designator: UNF SECOND END
  • Connection Style: PLAIN (PIPE) FIRST END
  • Thread Class: 2A SECOND END A
  • Nondefinitive Spec/std Data: 5D FIGURE
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-00-277-7910, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-7910
Primary Part Number4GBTX-B
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Thread Series DesignatorUNF SECOND END
Connection StylePLAIN (PIPE) FIRST END
Thread Class2A SECOND END A
Nondefinitive Spec/std Data5D FIGURE
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StyleFLARED W/ GASKET SEAL (BOSS) SECOND END
Nominal Thread Size0.125 INCHES FIRST END IN
Material Document and ClassificationASTM B124,TYPE CA377 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Nominal Overall Length1.190 INCHES IN
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Thread Series DesignatorNPTF FIRST END
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING
Nominal Thread Size0.438 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-314-1112180228-4 INTERCHANGEABLE
Stem,fluid Valve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
4-2 070103BA Sae International Dba Sae International (USA)
4-2 070103BA Society of Automotive Engineers Inc (USA)
4GBTX-B PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
4GBTX-B Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
SAE-J514 Sae International Dba Sae International (USA)
1802284 Northrop Grumman Systems Corporation (USA)
KB51-440-179ITEM439 Gpe Controls, Inc Dba Shand & Jurs (USA)
SAE J514/1 4-2 070103BA PRIMARY Sae International Dba Sae International (USA)
4GTXB Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
KF53-3876-3PC42 Gpe Controls, Inc Dba Shand & Jurs (USA)
4-GBTX-B Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
J514 Society of Automotive Engineers Inc (USA)
44 Q 214-D2 Morris Material Handling, Inc. (USA)
4730002777910 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
846FB1-4X1-8 Imperial (USA)
J514 Sae International Dba Sae International (USA)
2022-2-4B Danfoss Power Solutions II, Llc (USA)
27C3173-1 Chimera Corp
9100472 Us Army Aviation and Missile Command (USA)
LT103-71 Pettibone Llc (USA)
Related Parts
4820-01-314-1112INTERCHANGEABLE
STEM,FLUID VALVE
180228-4

Frequently Asked Questions

What is NSN 4730-00-277-7910?

NSN 4730-00-277-7910 is a Adapter,straight,pipe to Boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-7910?

NSN 4730-00-277-7910 has 23 cross-referenced part numbers: 4-2 070103BA (Sae International Dba Sae International), 4-2 070103BA (Society of Automotive Engineers Inc), 4GBTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 4GBTX-B (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), SAE-J514 (Sae International Dba Sae International) and 18 more.

What NSN replaces 4730-00-277-7910?

There is 1 known substitute for 4730-00-277-7910: 4820-01-314-1112. Verify interchangeability with system specifications before substitution.

What are the specifications of 4GBTX-B?

Key specifications for 4GBTX-B: Thread Series Designator: UNF SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Thread Class: 2A SECOND END A; Nondefinitive Spec/std Data: 5D FIGURE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-7910 still in active supply?

NSN 4730-00-277-7910 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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