PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55X8Elbow,tube

Danfoss Power Solutions II, Llc · NSN 4730-00-288-9420 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-288-9420 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-288-9420. Primary manufacturer part number: 55X8.
Features
  • Elbow,tube — FSC 4730
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Seat Angle: 45.0 DEGREES ALL ENDS
  • Thread Series Designator: UNF ALL ENDS
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Leg Length: 1.203 INCHES NOMINAL ALL ENDS IN
  • Specification/standard Data: 81343-SAEJ513 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-288-9420, 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 Danfoss Power Solutions II, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 11 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
NSN4730-00-288-9420
Primary Part Number55X8
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Connection StyleFLARED (TUBE) ALL ENDS
Seat Angle45.0 DEGREES ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Leg Length1.203 INCHES NOMINAL ALL ENDS IN
Specification/standard Data81343-SAEJ513 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Thread Class2A ALL ENDS A
MaterialCOPPER ALLOY OVERALL
Flow Angle90.0 DEGREES
Material Document and ClassificationSAE J461,ALLOY CA377 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5440-00-061-889835008 INTERCHANGEABLE
Stepladder
Bauer Corp
5950-00-118-8128278-2112-010 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
4730-00-288-9422SAE J512 6-6 010201B INTERCHANGEABLE
Elbow,tube
Sae International Dba Sae International
4310-00-446-33887603 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
2640-00-537-225170-HT-GOVT INTERCHANGEABLE
Valve Core
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
5960-00-581-9719 INTERCHANGEABLE
Retainer,electron Tube
5950-00-645-1142697431PC2 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-00-835-906577000071-000 INTERCHANGEABLE
Flasher,thermal
Dne Technologies, Inc
4730-00-891-9967SAE J512 4-4 010201B INTERCHANGEABLE
Elbow,tube
Sae International Dba Sae International
3110-00-910-7604A145 INTERCHANGEABLE
Bearing,ball,thrust
Charles Bond Company Dba Christiana Machine Company
Cross-Reference Index
Part NumberManufacturer
J512 Society of Automotive Engineers Inc (USA)
8-8 010201B Sae International Dba Sae International (USA)
808 01201B Society of Automotive Engineers Inc (USA)
J513 Sae International Dba Sae International (USA)
655F1-2 Imperial (USA)
8-8 010201B Society of Automotive Engineers Inc (USA)
55X8 PRIMARY Danfoss Power Solutions II, Llc (USA)
J513 Society of Automotive Engineers Inc (USA)
J512 Sae International Dba Sae International (USA)
808 01201B Sae International Dba Sae International (USA)
SAE J513 8-8 010201B PRIMARY Sae International Dba Sae International (USA)
B70-1-1954FIG9B American National Standards Institute Incorporated Dba American National Standards Institute (USA)
SAE J512 8-8 010201B PRIMARY Sae International Dba Sae International (USA)
3365 Alter Harry Co the Div of T E C (USA)
SAE-J513 Sae International Dba Sae International (USA)
55X8 Dana Corp Weatherhead Div (USA)
155F-8 Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (USA)
A145 PRIMARY Mueller Brass Co. (USA)
155F-8 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
SAE-J512 Sae International Dba Sae International (USA)
Related Parts
5440-00-061-8898INTERCHANGEABLE
STEPLADDER
35008
5950-00-118-8128INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-2112-010
4730-00-288-9422INTERCHANGEABLE
ELBOW,TUBE
SAE J512 6-6 010201B
4310-00-446-3388INTERCHANGEABLE
RING,PISTON
7603
2640-00-537-2251INTERCHANGEABLE
VALVE CORE
70-HT-GOVT
5960-00-581-9719INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5950-00-645-1142INTERCHANGEABLE
REACTOR
697431PC2
5945-00-835-9065INTERCHANGEABLE
FLASHER,THERMAL
77000071-000
4730-00-891-9967INTERCHANGEABLE
ELBOW,TUBE
SAE J512 4-4 010201B
3110-00-910-7604INTERCHANGEABLE
BEARING,BALL,THRUST
A145
5330-01-006-5410INTERCHANGEABLE
GASKET
A145
7125-01-044-2590INTERCHANGEABLE
CABINET,STORAGE
1947

Frequently Asked Questions

What is NSN 4730-00-288-9420?

NSN 4730-00-288-9420 is a Elbow,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-288-9420?

NSN 4730-00-288-9420 has 21 cross-referenced part numbers: J512 (Society of Automotive Engineers Inc), 8-8 010201B (Sae International Dba Sae International), 808 01201B (Society of Automotive Engineers Inc), J513 (Sae International Dba Sae International), 655F1-2 (Imperial) and 16 more.

What NSN replaces 4730-00-288-9420?

There are 12 known substitutes for 4730-00-288-9420: 5440-00-061-8898, 5950-00-118-8128, 4730-00-288-9422 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55X8?

Key specifications for 55X8: Connection Style: FLARED (TUBE) ALL ENDS; Seat Angle: 45.0 DEGREES ALL ENDS; Thread Series Designator: UNF ALL ENDS; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-288-9420 still in active supply?

NSN 4730-00-288-9420 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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