PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1INElbow,pipe

Tube Turns Technologies Inc · NSN 4730-00-278-2913 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-278-2913 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-278-2913. Primary manufacturer part number: 1-1IN.
Features
  • Elbow,pipe — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Leg Length: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM ALL ENDS IN
  • Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN
  • Connection Type: BUTT WELD PIPE ALL ENDS
  • Connection Style: BEVELED (PIPE) ALL ENDS
  • Media for Which Designed: STEAM SINGLE RESPONSE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe, cataloged under National Stock Number 4730-00-278-2913, 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 Tube Turns Technologies Inc. Government technical data includes 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-278-2913
Primary Part Number1-1IN
Item NameElbow,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTube Turns Technologies Inc
StatusCANCELLED
Flow Angle90.0 DEGREES
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leg Length1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM ALL ENDS IN
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Connection TypeBUTT WELD PIPE ALL ENDS
Connection StyleBEVELED (PIPE) ALL ENDS
Media for Which DesignedSTEAM SINGLE RESPONSE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-243-1790940-2IN108 INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-289-8063940-2 1/2 INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-529-5072 INTERCHANGEABLE
Elbow,pipe
4730-00-541-1075352E INTERCHANGEABLE
Elbow,pipe
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
1 Tube Turns Technologies Inc (USA)
B16.9 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
940 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA)
1-1IN PRIMARY Tube Turns Technologies Inc (USA)
1701 Itt Grinnell Corp (USA)
1 1IN PRIMARY Tube Turns Technologies Inc (USA)
352E Crane Co Div Valve Div (USA)
Related Parts
4730-00-243-1790INTERCHANGEABLE
ELBOW,PIPE
940-2IN108
4730-00-289-8063INTERCHANGEABLE
ELBOW,PIPE
940-2 1/2
4730-00-529-5072INTERCHANGEABLE
ELBOW,PIPE
4730-00-541-1075INTERCHANGEABLE
ELBOW,PIPE
352E

Frequently Asked Questions

What is NSN 4730-00-278-2913?

NSN 4730-00-278-2913 is a Elbow,pipe, manufactured by Tube Turns Technologies Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-278-2913?

NSN 4730-00-278-2913 has 7 cross-referenced part numbers: 1 (Tube Turns Technologies Inc), B16.9 (American National Standards Institute Incorporated Dba American National Standards Institute), 940 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), 1-1IN (Tube Turns Technologies Inc), 1701 (Itt Grinnell Corp) and 2 more.

What NSN replaces 4730-00-278-2913?

There are 4 known substitutes for 4730-00-278-2913: 4730-00-243-1790, 4730-00-289-8063, 4730-00-529-5072 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-1IN?

Key specifications for 1-1IN: Flow Angle: 90.0 DEGREES; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Leg Length: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM ALL ENDS IN; Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-278-2913 still in active supply?

NSN 4730-00-278-2913 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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