PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B16-11SCHEDULE80Tee,pipe

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 4730-00-595-3973 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-595-3973 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-595-3973. Primary manufacturer part number: B16-11SCHEDULE80.
Features
  • Tee,pipe — FSC 4730
  • Material: STEEL OVERALL
  • Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Maximum Operating Temp: 538.0 CELSIUS SINGLE RESPONSE DEGC
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 80 ALL ENDS
  • Material Document and Classification: ASTM A182-57T,GRADE 22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Tee,pipe, cataloged under National Stock Number 4730-00-595-3973, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-595-3973
Primary Part NumberB16-11SCHEDULE80
Item NameTee,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusCANCELLED
MaterialSTEEL OVERALL
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Media for Which DesignedSTEAM SINGLE RESPONSE
Maximum Operating Temp538.0 CELSIUS SINGLE RESPONSE DEGC
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 ALL ENDS
Material Document and ClassificationASTM A182-57T,GRADE 22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Connection StyleSOCKET (PIPE) ALL ENDS
Leg Length1.562 INCHES NOMINAL ALL ENDS IN
Departure From Cited DocumentAS MODIFIED BY MATERIAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-595-3968 INTERCHANGEABLE
Tee,pipe
4730-00-595-3969 INTERCHANGEABLE
Tee,pipe
4730-00-595-3970 INTERCHANGEABLE
Tee,pipe
4730-00-595-3971 INTERCHANGEABLE
Tee,pipe
4730-00-595-3972 INTERCHANGEABLE
Tee,pipe
4730-00-595-3974 INTERCHANGEABLE
Tee,pipe
4730-00-595-3975 INTERCHANGEABLE
Tee,pipe
4730-00-595-3976 INTERCHANGEABLE
Elbow,pipe
4730-00-595-3977 INTERCHANGEABLE
Elbow,pipe
4730-00-595-3978 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
B16-11SCHEDULE80 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-595-3968INTERCHANGEABLE
TEE,PIPE
4730-00-595-3969INTERCHANGEABLE
TEE,PIPE
4730-00-595-3970INTERCHANGEABLE
TEE,PIPE
4730-00-595-3971INTERCHANGEABLE
TEE,PIPE
4730-00-595-3972INTERCHANGEABLE
TEE,PIPE
4730-00-595-3974INTERCHANGEABLE
TEE,PIPE
4730-00-595-3975INTERCHANGEABLE
TEE,PIPE
4730-00-595-3976INTERCHANGEABLE
ELBOW,PIPE
4730-00-595-3977INTERCHANGEABLE
ELBOW,PIPE
4730-00-595-3978INTERCHANGEABLE
ELBOW,PIPE
4730-00-595-3979INTERCHANGEABLE
ELBOW,PIPE
4730-00-595-3981INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-595-3973?

NSN 4730-00-595-3973 is a Tee,pipe, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-595-3973?

NSN 4730-00-595-3973 has 1 cross-referenced part number: B16-11SCHEDULE80 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-595-3973?

There are 12 known substitutes for 4730-00-595-3973: 4730-00-595-3968, 4730-00-595-3969, 4730-00-595-3970 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B16-11SCHEDULE80?

Key specifications for B16-11SCHEDULE80: Material: STEEL OVERALL; Operating Pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Media for Which Designed: STEAM SINGLE RESPONSE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-595-3973 still in active supply?

NSN 4730-00-595-3973 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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