PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ER822-4DElbow,pipe to Tube

Danfoss Power Solutions II, Llc · NSN 4730-00-186-9978 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-186-9978 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-186-9978. Primary manufacturer part number: ER822-4D.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Seat Angle: 30.0 DEGREES SECOND END
  • Material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OVERALL
  • Thread Series Designator: ANPT SECOND END
  • Material Document and Classification: QQ-A-225/6,T6 OR T851 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T73 FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.125 INCHES SECOND END IN
  • Thread Series Designator: ANPT SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2024 or Aluminum Alloy 7075 Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-186-9978, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 7 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
NSN4730-00-186-9978
Primary Part NumberER822-4D
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDanfoss Power Solutions II, Llc
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Seat Angle30.0 DEGREES SECOND END
MaterialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OVERALL
Thread Series DesignatorANPT SECOND END
Material Document and ClassificationQQ-A-225/6,T6 OR T851 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T73 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Nominal Thread Size0.125 INCHES SECOND END IN
Thread Series DesignatorANPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
Surface TreatmentANODIZE OVERALL
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Surface Treatment Document and ClassificationMIL-A-8625,TY 2,CL 1,GOLD MIL SPEC 1ST TREATMENT RESPONSE OVERALL
Leg Length0.789 INCHES NOMINAL SECOND END IN
Material Document and ClassificationQQ-A-225/6,T6 OR T851 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/9,T73 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Flow Angle90.0 DEGREES
Seat Angle12.0 DEGREES FIRST END
MaterialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Class3A FIRST END A
Seat Angle30.0 DEGREES SECOND END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Connection StyleFLARELESS (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Thread Size0.438 INCHES FIRST END IN
Flow Angle90.0 DEGREES
Leg Length0.820 INCHES NOMINAL FIRST END IN
Surface Treatment Document and ClassificationMIL-A-8625,TY 2,CL 1,GOLD MIL SPEC 1ST TREATMENT RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-203-9725AS896F0402 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-679-1478AS896D0404 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-810-0198AS896-0606 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-811-9313AS896D0602 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-826-0639AS896J0606 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-00-887-5828AS897D0404 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-01-102-4862AS897-0402 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-01-219-2013AS896J0804 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-01-219-2014AS896J1616 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
4730-01-220-1663AS896J1612 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS897 Society of Automotive Engineers Inc (USA)
ER822D04 Danfoss Power Solutions II, Llc (USA)
AS18280 Society of Automotive Engineers Inc (USA)
SAE-AS4842/2 Sae International Dba Sae International (USA)
AS897D0402 Society of Automotive Engineers Inc (USA)
ER822-4D PRIMARY Danfoss Power Solutions II, Llc (USA)
AS897B Society of Automotive Engineers Inc (USA)
AS897D0402 PRIMARY Sae International Dba Sae International (USA)
ER822-4D Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
AS897 Sae International Dba Sae International (USA)
ER822D04 Dana Corp Weatherhead Div (USA)
ER822D4 Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA)
MIL-F-18280 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS18280 Sae International Dba Sae International (USA)
ER822-4D Dana Corp Weatherhead Div (USA)
Related Parts
4730-00-203-9725INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896F0402
4730-00-679-1478INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896D0404
4730-00-810-0198INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896-0606
4730-00-811-9313INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896D0602
4730-00-826-0639INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J0606
4730-00-887-5828INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS897D0404
4730-01-102-4862INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS897-0402
4730-01-219-2013INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J0804
4730-01-219-2014INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J1616
4730-01-220-1663INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J1612
4730-01-328-6810INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896J0502
4730-01-343-0456INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
AS896K0502

Frequently Asked Questions

What is NSN 4730-00-186-9978?

NSN 4730-00-186-9978 is a Elbow,pipe to 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 4730-00-186-9978?

NSN 4730-00-186-9978 has 15 cross-referenced part numbers: AS897 (Society of Automotive Engineers Inc), ER822D04 (Danfoss Power Solutions II, Llc), AS18280 (Society of Automotive Engineers Inc), SAE-AS4842/2 (Sae International Dba Sae International), AS897D0402 (Society of Automotive Engineers Inc) and 10 more.

What NSN replaces 4730-00-186-9978?

There are 12 known substitutes for 4730-00-186-9978: 4730-00-203-9725, 4730-00-679-1478, 4730-00-810-0198 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ER822-4D?

Key specifications for ER822-4D: Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Seat Angle: 30.0 DEGREES SECOND END; Material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 7075 OVERALL; Thread Series Designator: ANPT SECOND END. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-186-9978 still in active supply?

NSN 4730-00-186-9978 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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