PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILF20236TY1CL1Elbow,tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-640-6238 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-640-6238 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-640-6238. Primary manufacturer part number: MILF20236TY1CL1.
Features
  • Elbow,tube — FSC 4730
  • Connection Type: BUTT WELD TUBE ALL ENDS
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Tubing Wall Nominal Thickness for Which Designed: 0.134 INCHES ALL ENDS IN
  • Flow Angle: 90.0 DEGREES
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Nominal Outside Diameter Tube Accommodated: 6.625 INCHES ALL ENDS IN
  • Connection Style: BEVELED (TUBE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-640-6238, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN4730-00-640-6238
Primary Part NumberMILF20236TY1CL1
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Connection TypeBUTT WELD TUBE ALL ENDS
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Tubing Wall Nominal Thickness for Which Designed0.134 INCHES ALL ENDS IN
Flow Angle90.0 DEGREES
Media for Which DesignedSTEAM SINGLE RESPONSE
Nominal Outside Diameter Tube Accommodated6.625 INCHES ALL ENDS IN
Connection StyleBEVELED (TUBE) ALL ENDS
Leg Length9.000 INCHES NOMINAL ALL ENDS IN
MaterialSTEEL OVERALL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-153-4968200B INTERCHANGEABLE
Transformer,power
Technipower Llc Dba Unipower
4730-00-224-7803 INTERCHANGEABLE
Elbow,pipe
4730-00-243-1790940-2IN108 INTERCHANGEABLE
Elbow,pipe
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4730-00-264-9207 INTERCHANGEABLE
Reducer,pipe
4730-00-277-6617 INTERCHANGEABLE
Elbow,pipe
4730-00-287-1650 INTERCHANGEABLE
Elbow,pipe
4730-00-529-5077 INTERCHANGEABLE
Elbow,pipe
4730-00-529-5084 INTERCHANGEABLE
Tee,pipe
4730-00-529-5086 INTERCHANGEABLE
Tee,pipe
4730-00-529-5088 INTERCHANGEABLE
Tee,pipe
Cross-Reference Index
Part NumberManufacturer
MILF20236TY1CL1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILF20236 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B16.9 The American Society of Mechanical Engineers (USA)
SP-97 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
1701-6 Itt Grinnell Corp (USA)
B16.9 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5950-00-153-4968INTERCHANGEABLE
TRANSFORMER,POWER
200B
4730-00-224-7803INTERCHANGEABLE
ELBOW,PIPE
4730-00-243-1790INTERCHANGEABLE
ELBOW,PIPE
940-2IN108
4730-00-264-9207INTERCHANGEABLE
REDUCER,PIPE
4730-00-277-6617INTERCHANGEABLE
ELBOW,PIPE
4730-00-287-1650INTERCHANGEABLE
ELBOW,PIPE
4730-00-529-5077INTERCHANGEABLE
ELBOW,PIPE
4730-00-529-5084INTERCHANGEABLE
TEE,PIPE
4730-00-529-5086INTERCHANGEABLE
TEE,PIPE
4730-00-529-5088INTERCHANGEABLE
TEE,PIPE
4730-00-529-5089INTERCHANGEABLE
TEE,PIPE
1005-00-532-3086INTERCHANGEABLE
SCREW,BUTT PLATE

Frequently Asked Questions

What is NSN 4730-00-640-6238?

NSN 4730-00-640-6238 is a Elbow,tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-640-6238?

NSN 4730-00-640-6238 has 6 cross-referenced part numbers: MILF20236TY1CL1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF20236 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B16.9 (The American Society of Mechanical Engineers), SP-97 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), 1701-6 (Itt Grinnell Corp) and 1 more.

What NSN replaces 4730-00-640-6238?

There are 12 known substitutes for 4730-00-640-6238: 5950-00-153-4968, 4730-00-224-7803, 4730-00-243-1790 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILF20236TY1CL1?

Key specifications for MILF20236TY1CL1: Connection Type: BUTT WELD TUBE ALL ENDS; Special Features: WALL TOLERANCE APPLIES TO ENDS ONLY,END PREPARATION PER ANSI B16.25; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS; Tubing Wall Nominal Thickness for Which Designed: 0.134 INCHES ALL ENDS IN. 11 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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