PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1183/3-11ACoupling,tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-542-5110 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5110 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5110. Primary manufacturer part number: M1183/3-11A.
Features
  • Coupling,tube — FSC 4730
  • Maximum Operating Temp: 65.6 CELSIUS SECOND RESPONSE DEGC
  • Connection Style: SOCKET BRAZING RING (TUBE) ALL ENDS
  • Maximum Operating Temp: 218.3 CELSIUS FIRST RESPONSE DEGC
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Nominal Outside Diameter Tube Accommodated: 4.000 INCHES ALL ENDS IN
  • Material: COPPER ALLOY 922 OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-542-5110, 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 13 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-542-5110
Primary Part NumberM1183/3-11A
Item NameCoupling,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
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Connection StyleSOCKET BRAZING RING (TUBE) ALL ENDS
Maximum Operating Temp218.3 CELSIUS FIRST RESPONSE DEGC
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nominal Outside Diameter Tube Accommodated4.000 INCHES ALL ENDS IN
MaterialCOPPER ALLOY 922 OVERALL
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Style DesignatorBEVELED BOTH ENDS
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std DataA TYPE
Nominal Overall Length3.430 INCHES IN
Furnished Items and Quantity2 PREINSERTED BRAZING RING
Lifecycle & Compliance
Acquisition StatusACTIVE
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
M1183/3-11A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1183/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS4730-0121A28ELPQ 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
4730-00-542-5111INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5112INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5110?

NSN 4730-00-542-5110 is a Coupling,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 4730-00-542-5110?

NSN 4730-00-542-5110 has 4 cross-referenced part numbers: M1183/3-11A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1183/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0121A28ELPQ (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 4730-00-542-5110?

There are 12 known substitutes for 4730-00-542-5110: 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 M1183/3-11A?

Key specifications for M1183/3-11A: Maximum Operating Temp: 65.6 CELSIUS SECOND RESPONSE DEGC; Connection Style: SOCKET BRAZING RING (TUBE) ALL ENDS; Maximum Operating Temp: 218.3 CELSIUS FIRST RESPONSE DEGC; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 13 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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