PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16EWSSElbow,pipe

Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters · NSN 4730-00-249-3970 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-249-3970 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-249-3970. Primary manufacturer part number: 16EWSS.
Features
  • Elbow,pipe — FSC 4730
  • Material Document and Classification: MIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Material: STEEL OVERALL
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS
  • Flow Angle: 45.0 DEGREES
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • 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 4730-00-249-3970, 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 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-249-3970
Primary Part Number16EWSS
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
StatusACTIVE
Material Document and ClassificationMIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialSTEEL OVERALL
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 ALL ENDS
Flow Angle45.0 DEGREES
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp218.0 FAHRENHEIT SECOND RESPONSE DEGF
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Media for Which DesignedSTEAM FIRST RESPONSE
Leg Length1.188 INCHES NOMINAL ALL ENDS IN
Connection StyleSOCKET (PIPE) ALL ENDS
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp454.0 FAHRENHEIT FIRST RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-249-3968 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3969 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3972 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3973 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
4730-00-257-2150 INTERCHANGEABLE
Tee,pipe
Cross-Reference Index
Part NumberManufacturer
16EWSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
B16-110952TABLE2SCHEDULE40 Aeronautical Standards Group Dept of Navy and Air Force (USA)
5000S4823-64496REV3 Naval Ship Systems Command (USA)
Related Parts
4730-00-249-3968INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3969INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3972INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3973INTERCHANGEABLE
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
4730-01-039-3208INTERCHANGEABLE
TEE,PIPE
ANSI B16.11 1-1/4IN

Frequently Asked Questions

What is NSN 4730-00-249-3970?

NSN 4730-00-249-3970 is a Elbow,pipe, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-249-3970?

NSN 4730-00-249-3970 has 4 cross-referenced part numbers: 16EWSS (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute), B16-110952TABLE2SCHEDULE40 (Aeronautical Standards Group Dept of Navy and Air Force), 5000S4823-64496REV3 (Naval Ship Systems Command).

What NSN replaces 4730-00-249-3970?

There are 12 known substitutes for 4730-00-249-3970: 4730-00-249-3968, 4730-00-249-3969, 4730-00-249-3972 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16EWSS?

Key specifications for 16EWSS: Material Document and Classification: MIL-S-872,CL A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Material: STEEL OVERALL; Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS. 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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