PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-11-1952TABLE2SCHEDULE40Elbow,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-249-3973 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3973 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3973. Primary manufacturer part number: B16-11-1952TABLE2SCHEDULE40.
Features
  • Elbow,pipe — FSC 4730
  • Material: STEEL OVERALL
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS
  • Operating Pressure: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Flow Angle: 45.0 DEGREES
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-249-3973, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-249-3973
Primary Part NumberB16-11-1952TABLE2SCHEDULE40
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
MaterialSTEEL OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 ALL ENDS
Operating Pressure750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Flow Angle45.0 DEGREES
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Leg Length1.625 INCHES NOMINAL ALL ENDS IN
Maximum Operating Temp454.0 FAHRENHEIT FIRST RESPONSE DEGF
Nominal Pipe Size Accommodated2.000 INCHES ALL ENDS IN
Maximum Operating Temp218.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection StyleSOCKET (PIPE) ALL ENDS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Material Document and ClassificationMIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-249-3967 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3968 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3969 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3970 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3972 INTERCHANGEABLE
Elbow,pipe
4730-00-257-2144 INTERCHANGEABLE
Tee,pipe
4730-00-257-2145 INTERCHANGEABLE
Tee,pipe
4730-00-257-2146 INTERCHANGEABLE
Tee,pipe
4730-00-257-2147 INTERCHANGEABLE
Tee,pipe
4730-00-257-2148 INTERCHANGEABLE
Tee,pipe
Cross-Reference Index
Part NumberManufacturer
B16-11-1952TABLE2SCHEDULE40 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
5000S4823-64496REV3 Naval Ship Systems Command (USA)
Related Parts
4730-00-249-3967INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3968INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3969INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3970INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3972INTERCHANGEABLE
ELBOW,PIPE
4730-00-257-2144INTERCHANGEABLE
TEE,PIPE
4730-00-257-2145INTERCHANGEABLE
TEE,PIPE
4730-00-257-2146INTERCHANGEABLE
TEE,PIPE
4730-00-257-2147INTERCHANGEABLE
TEE,PIPE
4730-00-257-2148INTERCHANGEABLE
TEE,PIPE
4730-00-257-2150INTERCHANGEABLE
TEE,PIPE
4730-00-257-2151INTERCHANGEABLE
TEE,PIPE

Frequently Asked Questions

What is NSN 4730-00-249-3973?

NSN 4730-00-249-3973 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 4730-00-249-3973?

NSN 4730-00-249-3973 has 2 cross-referenced part numbers: B16-11-1952TABLE2SCHEDULE40 (American National Standards Institute Incorporated Dba American National Standards Institute), 5000S4823-64496REV3 (Naval Ship Systems Command).

What NSN replaces 4730-00-249-3973?

There are 12 known substitutes for 4730-00-249-3973: 4730-00-249-3967, 4730-00-249-3968, 4730-00-249-3969 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-11-1952TABLE2SCHEDULE40?

Key specifications for B16-11-1952TABLE2SCHEDULE40: Material: STEEL OVERALL; Media for Which Designed: STEAM FIRST RESPONSE; Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS. 14 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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