PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55284Sleeve,flared,tube Fitting

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-433-3375 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-433-3375 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-433-3375. Primary manufacturer part number: 55284.
Features
  • Sleeve,flared,tube Fitting — FSC 4730
  • Sleeve Outside Diameter: 0.366 INCHES NOMINAL IN
  • Flange Width: 0.156 INCHES NOMINAL IN
  • Hose/tube Outside Diameter for Which Designed: 0.313 INCHES NOMINAL IN
  • Seat Angle in Deg: 33.0
  • Flange Outside Diameter: 0.445 INCHES NOMINAL IN
  • Style Designator: SLEEVE
  • Material: STEEL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-00-433-3375, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-433-3375
Primary Part Number55284
Item NameSleeve,flared,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusCANCELLED
Sleeve Outside Diameter0.366 INCHES NOMINAL IN
Flange Width0.156 INCHES NOMINAL IN
Hose/tube Outside Diameter for Which Designed0.313 INCHES NOMINAL IN
Seat Angle in Deg33.0
Flange Outside Diameter0.445 INCHES NOMINAL IN
Style DesignatorSLEEVE
MaterialSTEEL
Surface TreatmentCADMIUM
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5310-00-028-400755284 INTERCHANGEABLE
Nut,plain,hexagon
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3110-00-227-287420NBK2040YZP INTERCHANGEABLE
Bearing,roller,needle
Anti-Friction Bearing Mfg Assn Inc the
4730-00-287-3053ST7M411-5W INTERCHANGEABLE
Sleeve,flared,tube Fitting
The Boeing Company Div Defense
4820-00-602-316250420 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
3455-00-808-42961741-2000 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
2930-00-905-59528420 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5315-01-284-932055284 INTERCHANGEABLE
Pin,spring
Curtiss-Wright Electro-Mechanical Corporation Div Epd
3110-01-315-2031 INTERCHANGEABLE
Bearing,ball,annular
7021-01-392-6209 INTERCHANGEABLE
Computer,digital
1630-01-537-30622616291-643 INTERCHANGEABLE
Stator,disc Brake
Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)
Cross-Reference Index
Part NumberManufacturer
AN819-5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
50420 Allied Specialty Precision Inc (USA)
55284 Parker-Hannifin Corp Div Parker Service Center (USA)
AS5176-05 Society of Automotive Engineers Inc (USA)
4730004333375 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS20819-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS20819-5D Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
55284 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
55284 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
50420 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
AS5176-05 PRIMARY Sae International Dba Sae International (USA)
SAE-AS4841 Sae International Dba Sae International (USA)
Related Parts
5310-00-028-4007INTERCHANGEABLE
NUT,PLAIN,HEXAGON
55284
3110-00-227-2874INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
20NBK2040YZP
4730-00-287-3053INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
ST7M411-5W
4820-00-602-3162INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
50420
3455-00-808-4296INTERCHANGEABLE
CUTTER,MILLING,END
1741-2000
2930-00-905-5952INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8420
5315-01-284-9320INTERCHANGEABLE
PIN,SPRING
55284
3110-01-315-2031INTERCHANGEABLE
BEARING,BALL,ANNULAR
7021-01-392-6209INTERCHANGEABLE
COMPUTER,DIGITAL
1630-01-537-3062INTERCHANGEABLE
STATOR,DISC BRAKE
2616291-643
5331-01-687-9907INTERCHANGEABLE
O-RING
50420

Frequently Asked Questions

What is NSN 4730-00-433-3375?

NSN 4730-00-433-3375 is a Sleeve,flared,tube Fitting, 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 4730-00-433-3375?

NSN 4730-00-433-3375 has 12 cross-referenced part numbers: AN819-5 (Aeronautical Standards Group Dept of Navy and Air Force), 50420 (Allied Specialty Precision Inc), 55284 (Parker-Hannifin Corp Div Parker Service Center), AS5176-05 (Society of Automotive Engineers Inc), 4730004333375 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 7 more.

What NSN replaces 4730-00-433-3375?

There are 11 known substitutes for 4730-00-433-3375: 5310-00-028-4007, 3110-00-227-2874, 4730-00-287-3053 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55284?

Key specifications for 55284: Sleeve Outside Diameter: 0.366 INCHES NOMINAL IN; Flange Width: 0.156 INCHES NOMINAL IN; Hose/tube Outside Diameter for Which Designed: 0.313 INCHES NOMINAL IN; Seat Angle in Deg: 33.0. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-433-3375 still in active supply?

NSN 4730-00-433-3375 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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