PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16.3Elbow,pipe

The American Society of Mechanical Engineers · NSN 4730-00-249-3932 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3932 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3932. Primary manufacturer part number: B16.3.
Features
  • Elbow,pipe — FSC 4730
  • Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: NPT SECOND END
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Surface Treatment Document and Classification: ASTM A153 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Flow Angle: 45.0 DEGREES
  • Specification/standard Data: 96906-MS39231 GOVERNMENT STANDARD
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-249-3932, 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 The American Society of Mechanical Engineers. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-249-3932
Primary Part NumberB16.3
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Material Document and ClassificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPT SECOND END
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Surface Treatment Document and ClassificationASTM A153 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Flow Angle45.0 DEGREES
Specification/standard Data96906-MS39231 GOVERNMENT STANDARD
Nominal Thread Size0.125 INCHES FIRST END IN
Surface TreatmentZINC OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Nominal Pipe Size Accommodated0.125 INCHES FIRST END IN
Connection StylePLAIN (PIPE) SECOND END
Leg Length0.670 INCHES MINIMUM AND 0.730 INCHES MAXIMUM FIRST END IN
Maximum Operating Temp260.0 CELSIUS FIRST RESPONSE DEGC
Nominal Thread Size0.125 INCHES SECOND END IN
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE FIRST END
Leg Length0.810 INCHES MINIMUM AND 0.870 INCHES MAXIMUM SECOND END IN
Media for Which DesignedSTEAM FIRST RESPONSE
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-231-5605 INTERCHANGEABLE
Elbow,pipe
4730-00-278-4293 INTERCHANGEABLE
Elbow,pipe
5962-01-178-43875240-577 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
4730-01-541-21340106649 INTERCHANGEABLE
Elbow,pipe
Ed Etnyre & Co
6640-01-667-8635106649 INTERCHANGEABLE
Tester,sublimation
Sdl Atlas Llc
Cross-Reference Index
Part NumberManufacturer
B16.3 The American Society of Mechanical Engineers (USA)
MS39231-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
013-531 Dresser Industries Inc Leroi Div (USA)
5240577 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
106649 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
144117 General Motors Corp (USA)
A14278-2 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
ASME B16.3 The American Society of Mechanical Engineers (USA)
Related Parts
4730-00-231-5605INTERCHANGEABLE
ELBOW,PIPE
4730-00-278-4293INTERCHANGEABLE
ELBOW,PIPE
5962-01-178-4387INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5240-577
4730-01-541-2134INTERCHANGEABLE
ELBOW,PIPE
0106649
6640-01-667-8635INTERCHANGEABLE
TESTER,SUBLIMATION
106649

Frequently Asked Questions

What is NSN 4730-00-249-3932?

NSN 4730-00-249-3932 is a Elbow,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-249-3932?

NSN 4730-00-249-3932 has 8 cross-referenced part numbers: B16.3 (The American Society of Mechanical Engineers), MS39231-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 013-531 (Dresser Industries Inc Leroi Div), 5240577 (U S Army Tank Automotive Command Amsta-Im-Mm), 106649 (Allison Transmission Inc Dba Allison Transmission, Inc) and 3 more.

What NSN replaces 4730-00-249-3932?

There are 5 known substitutes for 4730-00-249-3932: 4730-00-231-5605, 4730-00-278-4293, 5962-01-178-4387 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16.3?

Key specifications for B16.3: Material Document and Classification: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Series Designator: NPT SECOND END; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Surface Treatment Document and Classification: ASTM A153 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-249-3932 still in active supply?

NSN 4730-00-249-3932 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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