PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-11-1952TABLE1SCHEDULE40Elbow,pipe

Aeronautical Standards Group Dept of Navy and Air Force · NSN 4730-00-249-3980 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3980 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3980. Primary manufacturer part number: B16-11-1952TABLE1SCHEDULE40.
Features
  • Elbow,pipe — FSC 4730
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Material: STEEL OVERALL
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Operating Pressure: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Material Document and Classification: MIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS
  • Maximum Operating Temp: 218.0 FAHRENHEIT SECOND RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-249-3980, 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 Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-249-3980
Primary Part NumberB16-11-1952TABLE1SCHEDULE40
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialSTEEL OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Operating Pressure750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Material Document and ClassificationMIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 ALL ENDS
Maximum Operating Temp218.0 FAHRENHEIT SECOND RESPONSE DEGF
Maximum Operating Temp454.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection StyleSOCKET (PIPE) ALL ENDS
Leg Length1.750 INCHES NOMINAL ALL ENDS IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Nominal Pipe Size Accommodated1.500 INCHES ALL ENDS IN
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Flow Angle90.0 DEGREES
Specification/standard Data80204-ANSI B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-249-3974 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3976 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3977 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3979 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3981 INTERCHANGEABLE
Elbow,pipe
4730-00-257-2145 INTERCHANGEABLE
Tee,pipe
4730-00-257-2146 INTERCHANGEABLE
Tee,pipe
4730-00-257-2148 INTERCHANGEABLE
Tee,pipe
4730-00-825-9917240 3/8 INCH INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
Cross-Reference Index
Part NumberManufacturer
B16-11-1952TABLE1SCHEDULE40 Aeronautical Standards Group Dept of Navy and Air Force (USA)
ANSI B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
A314491-7 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
5000S4823-64496 Naval Ship Systems Command (USA)
Related Parts
4730-00-249-3974INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3976INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3977INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3979INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3981INTERCHANGEABLE
ELBOW,PIPE
4730-00-257-2145INTERCHANGEABLE
TEE,PIPE
4730-00-257-2146INTERCHANGEABLE
TEE,PIPE
4730-00-257-2148INTERCHANGEABLE
TEE,PIPE
4730-00-825-9917INTERCHANGEABLE
ELBOW,PIPE
240 3/8 INCH

Frequently Asked Questions

What is NSN 4730-00-249-3980?

NSN 4730-00-249-3980 is a Elbow,pipe, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-249-3980?

NSN 4730-00-249-3980 has 4 cross-referenced part numbers: B16-11-1952TABLE1SCHEDULE40 (Aeronautical Standards Group Dept of Navy and Air Force), ANSI B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute), A314491-7 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 5000S4823-64496 (Naval Ship Systems Command).

What NSN replaces 4730-00-249-3980?

There are 9 known substitutes for 4730-00-249-3980: 4730-00-249-3974, 4730-00-249-3976, 4730-00-249-3977 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-11-1952TABLE1SCHEDULE40?

Key specifications for B16-11-1952TABLE1SCHEDULE40: Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Material: STEEL OVERALL; Media for Which Designed: STEAM FIRST RESPONSE; Operating Pressure: 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 16 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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