PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A40-3Elbow,tube

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-590-6971 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-590-6971 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-590-6971. Primary manufacturer part number: A40-3.
Features
  • Elbow,tube — FSC 4730
  • Flow Angle: 45.0 DEGREES
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN
  • Maximum Operating Temp: 37.8 CELSIUS SINGLE RESPONSE DEGC
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material: COPPER OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-590-6971, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-590-6971
Primary Part NumberA40-3
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Flow Angle45.0 DEGREES
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialCOPPER OVERALL
Operating Pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-018-131314X3104 INTERCHANGEABLE
Screw,cap,hexagon Head
Napco International Llc Dba Napco International Inc
3120-00-287-6288938583 INTERCHANGEABLE
Bearing,sleeve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5315-00-663-2205BLS4R03N INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5330-00-702-208238J93PC45 INTERCHANGEABLE
Gasket
Westinghouse Electric Corp
5330-01-244-7593A-403 INTERCHANGEABLE
Gasket
Mueller Brass Co Sub of Sharon Steel Corp an Nvf Co
6105-01-367-8817E967 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
4730-01-464-0933516-6294344 ITEM F-1 INTERCHANGEABLE
Coupling,pipe
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
A40-3 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5305-00-018-1313INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
14X3104
3120-00-287-6288INTERCHANGEABLE
BEARING,SLEEVE
938583
5315-00-663-2205INTERCHANGEABLE
PIN,QUICK RELEASE
BLS4R03N
5330-00-702-2082INTERCHANGEABLE
GASKET
38J93PC45
5330-01-244-7593INTERCHANGEABLE
GASKET
A-403
6105-01-367-8817INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E967
4730-01-464-0933INTERCHANGEABLE
COUPLING,PIPE
516-6294344 ITEM F-1

Frequently Asked Questions

What is NSN 4730-00-590-6971?

NSN 4730-00-590-6971 is a Elbow,tube, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-590-6971?

NSN 4730-00-590-6971 has 1 cross-referenced part number: A40-3 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-590-6971?

There are 7 known substitutes for 4730-00-590-6971: 5305-00-018-1313, 3120-00-287-6288, 5315-00-663-2205 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A40-3?

Key specifications for A40-3: Flow Angle: 45.0 DEGREES; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Maximum Operating Temp: 37.8 CELSIUS SINGLE RESPONSE DEGC; Connection Style: PLAIN (TUBE) FIRST END. 8 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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