PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-FNTX-BCap,tube

Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division · NSN 4730-01-219-3111 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-219-3111 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-219-3111. Primary manufacturer part number: 12-FNTX-B.
Features
  • Cap,tube — FSC 4730
  • Connection Style: FLARE
  • Tube Outside Diameter for Which Designed: 0.750 INCHES NOMINAL IN
  • Thread Series Designator: UNF INTERNAL
  • Nominal Thread Size: 0.750 INCHES INTERNAL IN
  • Thread Class: 2B INTERNAL
  • Thread Direction: RIGHT-HAND INTERNAL
  • Style Designator: CAP
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Cap,tube, cataloged under National Stock Number 4730-01-219-3111, 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 Corp Dba Pneutronics Div Stratoflex Products Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4730-01-219-3111
Primary Part Number12-FNTX-B
Item NameCap,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
StatusACTIVE
Connection StyleFLARE
Tube Outside Diameter for Which Designed0.750 INCHES NOMINAL IN
Thread Series DesignatorUNF INTERNAL
Nominal Thread Size0.750 INCHES INTERNAL IN
Thread Class2B INTERNAL
Thread DirectionRIGHT-HAND INTERNAL
Style DesignatorCAP
Criticality Code JustificationFEAT
Seat Angle37.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-278-570812FNTX-B INTERCHANGEABLE
Cap,tube
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4730-00-606-3825 INTERCHANGEABLE
Cap,tube
4730-00-781-8263 INTERCHANGEABLE
Cap,tube
Cross-Reference Index
Part NumberManufacturer
12-FNTX-B Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
12-FNTX-B Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
MS51532-B12S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-278-5708INTERCHANGEABLE
CAP,TUBE
12FNTX-B
4730-00-606-3825INTERCHANGEABLE
CAP,TUBE
4730-00-781-8263INTERCHANGEABLE
CAP,TUBE

Frequently Asked Questions

What is NSN 4730-01-219-3111?

NSN 4730-01-219-3111 is a Cap,tube, manufactured by Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-219-3111?

NSN 4730-01-219-3111 has 3 cross-referenced part numbers: 12-FNTX-B (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 12-FNTX-B (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), MS51532-B12S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-219-3111?

There are 3 known substitutes for 4730-01-219-3111: 4730-00-278-5708, 4730-00-606-3825, 4730-00-781-8263. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-FNTX-B?

Key specifications for 12-FNTX-B: Connection Style: FLARE; Tube Outside Diameter for Which Designed: 0.750 INCHES NOMINAL IN; Thread Series Designator: UNF INTERNAL; Nominal Thread Size: 0.750 INCHES INTERNAL IN. 10 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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