PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59442Elbow,tube

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-837-0685 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-837-0685 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-837-0685. Primary manufacturer part number: A-A-59442.
Features
  • Elbow,tube — FSC 4730
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Flow Angle: 90.0 DEGREES
  • Media for Which Designed: WATER SECOND RESPONSE
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Nondefinitive Spec/std Data: 1 FIGURE
  • Material: COPPER ALLOY 102 OR COPPER ALLOY 120 OR COPPER ALLOY 122 OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 102 or Copper Alloy 120 or Copper Alloy 122 Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-837-0685, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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
NSN4730-00-837-0685
Primary Part NumberA-A-59442
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Flow Angle90.0 DEGREES
Media for Which DesignedWATER SECOND RESPONSE
Connection StyleSOCKET (TUBE) ALL ENDS
Nondefinitive Spec/std Data1 FIGURE
MaterialCOPPER ALLOY 102 OR COPPER ALLOY 120 OR COPPER ALLOY 122 OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Leg Length0.688 INCHES NOMINAL ALL ENDS IN
Specification/standard Data96906-MS35917 GOVERNMENT STANDARD
Media for Which DesignedLIQUID, INGESTED FIRST RESPONSE
Operating Pressure590.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp204.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material Document and ClassificationASTM B75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-100-2841 INTERCHANGEABLE
Elbow,tube
4730-00-254-6424 INTERCHANGEABLE
Elbow,tube
4730-00-254-6444 INTERCHANGEABLE
Elbow,tube
4730-00-254-6445 INTERCHANGEABLE
Elbow,tube
4730-00-254-6447 INTERCHANGEABLE
Elbow,tube
4730-00-254-6449 INTERCHANGEABLE
Elbow,tube
4730-00-254-6450 INTERCHANGEABLE
Elbow,tube
4730-00-254-6460 INTERCHANGEABLE
Elbow,tube
4730-00-776-1048 INTERCHANGEABLE
Elbow,tube
4730-00-813-4440 INTERCHANGEABLE
Elbow,tube
Cross-Reference Index
Part NumberManufacturer
A-A-59442 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A59442-3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA59442-3 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B16-22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16.22 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS35917-3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
407 Kennecott Corp Chase Extrusions Div (USA)
AN12D Castle a M and Co (USA)
Related Parts
4730-00-100-2841INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6424INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6444INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6445INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6447INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6449INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6450INTERCHANGEABLE
ELBOW,TUBE
4730-00-254-6460INTERCHANGEABLE
ELBOW,TUBE
4730-00-776-1048INTERCHANGEABLE
ELBOW,TUBE
4730-00-813-4440INTERCHANGEABLE
ELBOW,TUBE
4730-00-813-4441INTERCHANGEABLE
ELBOW,TUBE
4730-00-813-4447INTERCHANGEABLE
ELBOW,TUBE

Frequently Asked Questions

What is NSN 4730-00-837-0685?

NSN 4730-00-837-0685 is a Elbow,tube, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-837-0685?

NSN 4730-00-837-0685 has 8 cross-referenced part numbers: A-A-59442 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A59442-3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA59442-3 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B16-22 (American National Standards Institute Incorporated Dba American National Standards Institute), B16.22 (American National Standards Institute Incorporated Dba American National Standards Institute) and 3 more.

What NSN replaces 4730-00-837-0685?

There are 12 known substitutes for 4730-00-837-0685: 4730-00-100-2841, 4730-00-254-6424, 4730-00-254-6444 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59442?

Key specifications for A-A-59442: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Flow Angle: 90.0 DEGREES; Media for Which Designed: WATER SECOND RESPONSE; Connection Style: SOCKET (TUBE) ALL ENDS. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-837-0685 still in active supply?

NSN 4730-00-837-0685 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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