PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-9Elbow,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-278-4771 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4771 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4771. Primary manufacturer part number: B16-9.
Features
  • Elbow,pipe — FSC 4730
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL
  • Flow Angle: 45.0 DEGREES
  • Material Document and Classification: ASTM A582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Leg Length: 5.000 INCHES NOMINAL ALL ENDS IN
  • Maximum Operating Temp: 412.8 CELSIUS FIRST RESPONSE DEGC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-4771, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-278-4771
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 DesignedWATER-OIL-GAS SECOND RESPONSE
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Flow Angle45.0 DEGREES
Material Document and ClassificationASTM A582 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Leg Length5.000 INCHES NOMINAL ALL ENDS IN
Maximum Operating Temp412.8 CELSIUS FIRST RESPONSE DEGC
Connection StyleBEVELED (PIPE) ALL ENDS
Media for Which DesignedSTEAM FIRST RESPONSE
Connection TypeBUTT WELD PIPE ALL ENDS
Nominal Pipe Size Accommodated8.000 INCHES ALL ENDS IN
Maximum Operating Temp218.3 CELSIUS SECOND RESPONSE DEGC
Nondefinitive Spec/std Data1 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-278-4772940-4IN INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-287-16518IN90DELRSWE ASTM A106-52TGRA940 INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
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)
MIL-F-20236TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ASAB16-9ASAB36-10SCHEDULE40 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-278-4772INTERCHANGEABLE
ELBOW,PIPE
940-4IN
4730-00-287-1651INTERCHANGEABLE
ELBOW,PIPE
8IN90DELRSWE ASTM A106-52TGRA940
4730-00-555-1567INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-278-4771?

NSN 4730-00-278-4771 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 4730-00-278-4771?

NSN 4730-00-278-4771 has 3 cross-referenced part numbers: B16-9 (American National Standards Institute Incorporated Dba American National Standards Institute), MIL-F-20236TYPE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASAB16-9ASAB36-10SCHEDULE40 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-278-4771?

There are 3 known substitutes for 4730-00-278-4771: 4730-00-278-4772, 4730-00-287-1651, 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: WATER-OIL-GAS SECOND RESPONSE; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL; Flow Angle: 45.0 DEGREES. 13 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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