PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA59450-4UElbow,tube

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4730-00-812-3718 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-812-3718 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-812-3718. Primary manufacturer part number: AA59450-4U.
Features
  • Elbow,tube — FSC 4730
  • Nondefinitive Spec/std Data: 2 FIGURE
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN
  • Leg Length: 0.658 INCHES NOMINAL FIRST END IN
  • Material: COPPER OVERALL
  • Connection Style: SOCKET (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Connection Style: PLAIN (TUBE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-812-3718, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-812-3718
Primary Part NumberAA59450-4U
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std Data2 FIGURE
Nominal Outside Diameter Tube Accommodated0.500 INCHES SECOND END IN
Leg Length0.658 INCHES NOMINAL FIRST END IN
MaterialCOPPER OVERALL
Connection StyleSOCKET (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection StylePLAIN (TUBE) SECOND END
Leg Length0.656 INCHES NOMINAL SECOND END IN
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Specification/standard Data96906-MS35928 GOVERNMENT STANDARD
Flow Angle45.0 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-022-1334 INTERCHANGEABLE
Elbow,tube
4730-00-190-7897 INTERCHANGEABLE
Elbow,tube
4730-00-265-7124 INTERCHANGEABLE
Elbow,tube
4730-00-776-1049 INTERCHANGEABLE
Elbow,tube
4730-00-782-5138 INTERCHANGEABLE
Elbow,tube
4730-00-839-6380 INTERCHANGEABLE
Elbow,tube
4730-00-940-7940 INTERCHANGEABLE
Elbow,tube
4730-01-328-6117 INTERCHANGEABLE
Elbow,tube
Cross-Reference Index
Part NumberManufacturer
AA59450-4U Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS35928-4U Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
342C602H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
11240366-7 Ballistic Missile Defense Systems Command (USA)
A-A-59450 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
4730-00-022-1334INTERCHANGEABLE
ELBOW,TUBE
4730-00-190-7897INTERCHANGEABLE
ELBOW,TUBE
4730-00-265-7124INTERCHANGEABLE
ELBOW,TUBE
4730-00-776-1049INTERCHANGEABLE
ELBOW,TUBE
4730-00-782-5138INTERCHANGEABLE
ELBOW,TUBE
4730-00-839-6380INTERCHANGEABLE
ELBOW,TUBE
4730-00-940-7940INTERCHANGEABLE
ELBOW,TUBE
4730-01-328-6117INTERCHANGEABLE
ELBOW,TUBE

Frequently Asked Questions

What is NSN 4730-00-812-3718?

NSN 4730-00-812-3718 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: active.

What are the part numbers for NSN 4730-00-812-3718?

NSN 4730-00-812-3718 has 5 cross-referenced part numbers: AA59450-4U (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS35928-4U (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 342C602H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 11240366-7 (Ballistic Missile Defense Systems Command), A-A-59450 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-812-3718?

There are 8 known substitutes for 4730-00-812-3718: 4730-00-022-1334, 4730-00-190-7897, 4730-00-265-7124 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA59450-4U?

Key specifications for AA59450-4U: Nondefinitive Spec/std Data: 2 FIGURE; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN; Leg Length: 0.658 INCHES NOMINAL FIRST END IN; Material: COPPER OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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