PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16.9Elbow,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-278-4770 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4770 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4770. Primary manufacturer part number: B16.9.
Features
  • Elbow,pipe — FSC 4730
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Flow Angle: 45.0 DEGREES
  • Connection Style: BEVELED (PIPE) ALL ENDS
  • Maximum Operating Temp: 399.0 CELSIUS SINGLE RESPONSE DEGC
  • Nominal Pipe Size Accommodated: 6.000 INCHES ALL ENDS IN
  • Connection Type: BUTT WELD PIPE ALL ENDS
  • Leg Length: 3.750 INCHES NOMINAL ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-4770, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-4770
Primary Part NumberB16.9
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Media for Which DesignedSTEAM SINGLE RESPONSE
Flow Angle45.0 DEGREES
Connection StyleBEVELED (PIPE) ALL ENDS
Maximum Operating Temp399.0 CELSIUS SINGLE RESPONSE DEGC
Nominal Pipe Size Accommodated6.000 INCHES ALL ENDS IN
Connection TypeBUTT WELD PIPE ALL ENDS
Leg Length3.750 INCHES NOMINAL ALL ENDS IN
MaterialSTEEL OVERALL
Operating Pressure458.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-555-1567 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
B16.9 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
A234GRADEA American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-555-1567INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-278-4770?

NSN 4730-00-278-4770 is a Elbow,pipe, 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 4730-00-278-4770?

NSN 4730-00-278-4770 has 2 cross-referenced part numbers: B16.9 (American National Standards Institute Incorporated Dba American National Standards Institute), A234GRADEA (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-278-4770?

There is 1 known substitute for 4730-00-278-4770: 4730-00-555-1567. Verify interchangeability with system specifications before substitution.

What are the specifications of B16.9?

Key specifications for B16.9: Media for Which Designed: STEAM SINGLE RESPONSE; Flow Angle: 45.0 DEGREES; Connection Style: BEVELED (PIPE) ALL ENDS; Maximum Operating Temp: 399.0 CELSIUS SINGLE RESPONSE DEGC. 9 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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