PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2B3-1-4Adapter,straight,pipe to Hose

Tuthill Corp Hansen Coupling Div · NSN 4730-00-965-5991 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-965-5991 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-965-5991. Primary manufacturer part number: 2B3-1-4.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN
  • Furnished Items and Quantity: 1 HOSE COUPLING NUT
  • Connection Style: PLAIN (PIPE) FIRST END
  • Material: COPPER ALLOY OVERALL
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND END
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-00-965-5991, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN4730-00-965-5991
Primary Part Number2B3-1-4
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTuthill Corp Hansen Coupling Div
StatusCANCELLED
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Furnished Items and Quantity1 HOSE COUPLING NUT
Connection StylePLAIN (PIPE) FIRST END
MaterialCOPPER ALLOY OVERALL
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Nominal Thread Size0.250 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Outside Diameter Hose Accommodated0.500 INCHES SECOND END IN
Nominal Overall Length2.250 INCHES IN
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-100-080504851 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cnh Industrial America Llc Dba Cnh America
5930-00-531-517810395027-003 INTERCHANGEABLE
Barrier Mount,switch
Us Army Aviation and Missile Command
5960-00-631-8753 INTERCHANGEABLE
Retainer,electron Tube
5915-01-029-48242VB3 INTERCHANGEABLE
Filter,radio Frequency Interfere
Te Connectivity Corporation
3030-01-190-916317595 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
Cross-Reference Index
Part NumberManufacturer
330-C3 Parker-Hannifin Corporation Div Quick Coupling Division (USA)
2B3 Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA)
330-C3 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA)
2B3-1-4 PRIMARY Tuthill Corp Hansen Coupling Div (USA)
Related Parts
3110-00-100-0805INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
04851
5930-00-531-5178INTERCHANGEABLE
BARRIER MOUNT,SWITCH
10395027-003
5960-00-631-8753INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5915-01-029-4824INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2VB3
3030-01-190-9163INTERCHANGEABLE
BELT,V
17595

Frequently Asked Questions

What is NSN 4730-00-965-5991?

NSN 4730-00-965-5991 is a Adapter,straight,pipe to Hose, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-965-5991?

NSN 4730-00-965-5991 has 4 cross-referenced part numbers: 330-C3 (Parker-Hannifin Corporation Div Quick Coupling Division), 2B3 (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), 330-C3 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 2B3-1-4 (Tuthill Corp Hansen Coupling Div).

What NSN replaces 4730-00-965-5991?

There are 5 known substitutes for 4730-00-965-5991: 3110-00-100-0805, 5930-00-531-5178, 5960-00-631-8753 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2B3-1-4?

Key specifications for 2B3-1-4: Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Furnished Items and Quantity: 1 HOSE COUPLING NUT; Connection Style: PLAIN (PIPE) FIRST END; Material: COPPER ALLOY OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-965-5991 still in active supply?

NSN 4730-00-965-5991 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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