PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-1183/3Coupling,pipe

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-542-5111 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5111 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5111. Primary manufacturer part number: MIL-DTL-1183/3.
Features
  • Coupling,pipe — FSC 4730
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Connection Style: SOCKET W/ GROVE (PIPE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-542-5111, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4730-00-542-5111
Primary Part NumberMIL-DTL-1183/3
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nominal Pipe Size Accommodated4.000 INCHES ALL ENDS IN
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection StyleSOCKET W/ GROVE (PIPE) ALL ENDS
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Media for Which DesignedSTEAM FIRST RESPONSE
MaterialCOPPER ALLOY 922 OVERALL
Furnished Items and Quantity2 BRAZING RING
Style DesignatorPLAIN
Specification/standard Data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nondefinitive Spec/std Data12 SIZE AND A TYPE
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length3.690 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-542-5100 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5101 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5102 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5103 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5104 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5105 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5106 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5107 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5108 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5109 INTERCHANGEABLE
Coupling,pipe
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-1183/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1183/3-12A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0121A31GLPQ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MIL-F-1183 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4730-00-542-5100INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5101INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5102INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5103INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5104INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5105INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5106INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5107INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5108INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5109INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5110INTERCHANGEABLE
COUPLING,TUBE
4730-00-542-5112INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5111?

NSN 4730-00-542-5111 is a Coupling,pipe, 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: cancelled.

What are the part numbers for NSN 4730-00-542-5111?

NSN 4730-00-542-5111 has 4 cross-referenced part numbers: MIL-DTL-1183/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1183/3-12A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0121A31GLPQ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MIL-F-1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5111?

There are 12 known substitutes for 4730-00-542-5111: 4730-00-542-5100, 4730-00-542-5101, 4730-00-542-5102 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-1183/3?

Key specifications for MIL-DTL-1183/3: End Item Identification: 23N SHIP, OHIO CLASS SSN (TRIDENT); Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-5111 still in active supply?

NSN 4730-00-542-5111 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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