PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILP22011Coupling,pipe

Esco Inc · NSN 4730-00-554-7126 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-554-7126 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-554-7126. Primary manufacturer part number: MILP22011.
Features
  • Coupling,pipe — FSC 4730
  • Style Designator: PLAIN
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Maximum Operating Temp: 65.6 CELSIUS SINGLE RESPONSE DEGC
  • Media for Which Designed: LIQUID, INGESTED SINGLE RESPONSE
  • Nominal Overall Length: 2.750 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-554-7126, 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 Esco Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-554-7126
Primary Part NumberMILP22011
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerEsco Inc
StatusCANCELLED
Style DesignatorPLAIN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 40 ALL ENDS
Connection StyleSOCKET (PIPE) ALL ENDS
Maximum Operating Temp65.6 CELSIUS SINGLE RESPONSE DEGC
Media for Which DesignedLIQUID, INGESTED SINGLE RESPONSE
Nominal Overall Length2.750 INCHES IN
Nondefinitive Spec/std DataC TYPE AND 1 CLASS AND A STYLE
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-144-495101013010 INTERCHANGEABLE
Tee,pipe
Nibco Inc Chemtrol Div
4730-00-239-3081 INTERCHANGEABLE
Elbow,pipe
4730-00-476-7155CLASS 23447 INTERCHANGEABLE
Elbow,pipe
American Society for Testing and Materials Dba Astm International
4730-00-541-60180041120-020 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
4730-00-542-2941 INTERCHANGEABLE
Tee,pipe
4730-00-545-07840031120-030 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
4730-00-554-7001 INTERCHANGEABLE
Tee,pipe
4730-00-554-7129 INTERCHANGEABLE
Coupling,pipe
4730-00-554-7143 INTERCHANGEABLE
Elbow,pipe
4730-00-554-7144 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
MILP22011 Esco Inc (USA)
MILP22011 George Fischer Sloane, Inc. (USA)
03025010 Celanese Piping Systems Inc Sub of Celanese Corp (USA)
MILP22011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6111626 Cantex Inc Dba Cantex of Delaware (USA)
Related Parts
4730-00-144-4951INTERCHANGEABLE
TEE,PIPE
01013010
4730-00-239-3081INTERCHANGEABLE
ELBOW,PIPE
4730-00-476-7155INTERCHANGEABLE
ELBOW,PIPE
CLASS 23447
4730-00-541-6018INTERCHANGEABLE
ELBOW,PIPE
0041120-020
4730-00-542-2941INTERCHANGEABLE
TEE,PIPE
4730-00-545-0784INTERCHANGEABLE
ELBOW,PIPE
0031120-030
4730-00-554-7001INTERCHANGEABLE
TEE,PIPE
4730-00-554-7129INTERCHANGEABLE
COUPLING,PIPE
4730-00-554-7143INTERCHANGEABLE
ELBOW,PIPE
4730-00-554-7144INTERCHANGEABLE
ELBOW,PIPE
4730-00-554-7151INTERCHANGEABLE
TEE,PIPE
0022120-030
4730-00-554-7663INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-554-7126?

NSN 4730-00-554-7126 is a Coupling,pipe, manufactured by Esco Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-554-7126?

NSN 4730-00-554-7126 has 5 cross-referenced part numbers: MILP22011 (Esco Inc), MILP22011 (George Fischer Sloane, Inc.), 03025010 (Celanese Piping Systems Inc Sub of Celanese Corp), MILP22011 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6111626 (Cantex Inc Dba Cantex of Delaware).

What NSN replaces 4730-00-554-7126?

There are 12 known substitutes for 4730-00-554-7126: 4730-00-144-4951, 4730-00-239-3081, 4730-00-476-7155 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILP22011?

Key specifications for MILP22011: Style Designator: PLAIN; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Pipe Wall Thickness Designation for Which Designed: SCHEDULE 40 ALL ENDS; Connection Style: SOCKET (PIPE) ALL ENDS. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-554-7126 still in active supply?

NSN 4730-00-554-7126 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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