PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

940-4INElbow,pipe

Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy · NSN 4730-00-278-4772 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-4772 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-4772. Primary manufacturer part number: 940-4IN.
Features
  • Elbow,pipe — FSC 4730
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN
  • Maximum Operating Temp: 412.7 CELSIUS SINGLE RESPONSE DEGC
  • Connection Style: BEVELED (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 4730-00-278-4772, 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 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-4772
Primary Part Number940-4IN
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAti Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
StatusCANCELLED
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE
Media for Which DesignedSTEAM SINGLE RESPONSE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Pipe Size Accommodated4.000 INCHES ALL ENDS IN
Maximum Operating Temp412.7 CELSIUS SINGLE RESPONSE DEGC
Connection StyleBEVELED (PIPE) ALL ENDS
Leg Length6.000 INCHES NOMINAL ALL ENDS IN
Connection TypeBUTT WELD PIPE ALL ENDS
Flow Angle90.0 DEGREES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-278-4771 INTERCHANGEABLE
Elbow,pipe
4730-00-287-16518IN90DELRSWE ASTM A106-52TGRA940 INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-555-1567 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
1701-4IN Itt Grinnell Corp (USA)
11009 Crane Co Midwest Fittings Div (USA)
940-4IN PRIMARY Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
ASAB16-9ASAB36-10SCHEDULE40 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
940 4 IN IPS Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
MIL-F-20236TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B16.9 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
4730-00-278-4771INTERCHANGEABLE
ELBOW,PIPE
4730-00-287-1651INTERCHANGEABLE
ELBOW,PIPE
8IN90DELRSWE ASTM A106-52TGRA940
4730-00-555-1567INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-278-4772?

NSN 4730-00-278-4772 is a Elbow,pipe, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-4772?

NSN 4730-00-278-4772 has 7 cross-referenced part numbers: 1701-4IN (Itt Grinnell Corp), 11009 (Crane Co Midwest Fittings Div), 940-4IN (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), ASAB16-9ASAB36-10SCHEDULE40 (American National Standards Institute Incorporated Dba American National Standards Institute), 940 4 IN IPS (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy) and 2 more.

What NSN replaces 4730-00-278-4772?

There are 3 known substitutes for 4730-00-278-4772: 4730-00-278-4771, 4730-00-287-1651, 4730-00-555-1567. Verify interchangeability with system specifications before substitution.

What are the specifications of 940-4IN?

Key specifications for 940-4IN: Material: STEEL OVERALL; Nondefinitive Spec/std Data: 1 TYPE; Media for Which Designed: STEAM SINGLE RESPONSE; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-4772 still in active supply?

NSN 4730-00-278-4772 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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