PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4TXSSSleeve,flared,tube Fitting

Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters · NSN 4730-00-629-0868 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-629-0868 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-629-0868. Primary manufacturer part number: 4TXSS.
Features
  • Sleeve,flared,tube Fitting — FSC 4730
  • Casehardening Indicator: CASEHARDENED
  • Hose/tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Style Designator: SLEEVE
  • Material: STEEL CORROSION RESISTING
  • Sleeve Outside Diameter: 0.328 INCHES NOMINAL IN
  • Seat Angle in Deg: 33.0
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-00-629-0868, 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 Corporate Headquarters. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-629-0868
Primary Part Number4TXSS
Item NameSleeve,flared,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
StatusCANCELLED
Casehardening IndicatorCASEHARDENED
Hose/tube Outside Diameter for Which Designed0.250 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
Style DesignatorSLEEVE
MaterialSTEEL CORROSION RESISTING
Sleeve Outside Diameter0.328 INCHES NOMINAL IN
Seat Angle in Deg33.0
Metallic Hardness Rating70.0 MINIMUM ROCKWELL B AND 95.0 MAXIMUM ROCKWELL B
Nondefinitive Spec/std Data14 FIGURE
Specification/standard Data96906-MS51533 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Flange Outside Diameter0.383 INCHES NOMINAL IN
Flange Width0.140 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5355-00-111-26848194 INTERCHANGEABLE
Knob
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
7530-00-268-3993 INTERCHANGEABLE
Envelope,wallet
5940-00-271-9920627-144 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
4820-00-425-588851244 INTERCHANGEABLE
Seat,valve
Essex Industries, Inc. Dba Essex Industries
4730-00-580-7471AS5176J04 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Sae International Dba Sae International
5930-00-583-2125 INTERCHANGEABLE
Switch,lever
6105-00-669-5858299574PC4 INTERCHANGEABLE
Motor,alternating Current
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5998-00-984-4083 INTERCHANGEABLE
Circuit Card Assembly
4810-01-063-8675 INTERCHANGEABLE
Parts Kit,solenoid Valve
3120-01-205-9266 INTERCHANGEABLE
Bushing,sleeve
Cross-Reference Index
Part NumberManufacturer
4TXSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
4-TX-SS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
54782-3 Keco Industries, Inc. (USA)
MS20819-4K Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MS20819-4K Faber Enterprises, Inc. Div Faber Enterprise Inc (USA)
819-4 Bowes Mfg Inc (USA)
MS20819-4K Crown Fitting Co Inc (USA)
5177X4 Dana Corp Weatherhead Div (USA)
J514 Society of Automotive Engineers Inc (USA)
4 070115S Society of Automotive Engineers Inc (USA)
4730PL0962254 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS51533B4S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS20819-4K Collins Engineering Corp (USA)
4-TX-SS Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
8431421 Warner Robins Air Logistics Center (USA)
MS20819-4K Acra Aerospace, Llc (USA)
MS20819-4K Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
MS51533B4S Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MS5153384S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5355-00-111-2684INTERCHANGEABLE
KNOB
8194
7530-00-268-3993INTERCHANGEABLE
ENVELOPE,WALLET
5940-00-271-9920INTERCHANGEABLE
TERMINAL,LUG
627-144
4820-00-425-5888INTERCHANGEABLE
SEAT,VALVE
51244
4730-00-580-7471INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
AS5176J04
5930-00-583-2125INTERCHANGEABLE
SWITCH,LEVER
6105-00-669-5858INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
299574PC4
5998-00-984-4083INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4810-01-063-8675INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
3120-01-205-9266INTERCHANGEABLE
BUSHING,SLEEVE
6510-01-271-7670INTERCHANGEABLE
PAD,ABDOMINAL
4820-01-316-0085INTERCHANGEABLE
VALVE,ANGLE
136UBT 1.50IN

Frequently Asked Questions

What is NSN 4730-00-629-0868?

NSN 4730-00-629-0868 is a Sleeve,flared,tube Fitting, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-629-0868?

NSN 4730-00-629-0868 has 21 cross-referenced part numbers: 4TXSS (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 4-TX-SS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 54782-3 (Keco Industries, Inc.), MS20819-4K (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), MS20819-4K (Faber Enterprises, Inc. Div Faber Enterprise Inc) and 16 more.

What NSN replaces 4730-00-629-0868?

There are 12 known substitutes for 4730-00-629-0868: 5355-00-111-2684, 7530-00-268-3993, 5940-00-271-9920 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4TXSS?

Key specifications for 4TXSS: Casehardening Indicator: CASEHARDENED; Hose/tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Surface Treatment: PASSIVATE; Style Designator: SLEEVE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-629-0868 still in active supply?

NSN 4730-00-629-0868 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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