PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1183/10-14A3Union,pipe

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-542-5192 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5192 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5192. Primary manufacturer part number: M1183/10-14A3.
Features
  • Union,pipe — FSC 4730
  • Style Designator: SCREWED
  • Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Connection Style: SOCKET W/ GROVE (PIPE) ALL ENDS
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Pipe Wall Thickness Designation for Which Designed: STANDARD ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 903 or Copper Alloy 922 Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-542-5192, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-542-5192
Primary Part NumberM1183/10-14A3
Item NameUnion,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
Style DesignatorSCREWED
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Connection StyleSOCKET W/ GROVE (PIPE) ALL ENDS
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSTANDARD ALL ENDS
Coupling Flange ShapeROUND
Material Document and ClassificationQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Overall Length2.560 INCHES IN
Media for Which DesignedSTEAM FIRST RESPONSE
MaterialCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
Nominal Pipe Size Accommodated1.000 INCHES ALL ENDS IN
Furnished Items and Quantity2 BRAZING RING
Specification/standard Data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
Seat TypeBEVELED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
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
4730-00-542-5108 INTERCHANGEABLE
Coupling,pipe
4730-00-542-5191 INTERCHANGEABLE
Union,pipe
4730-00-542-5194 INTERCHANGEABLE
Union,pipe
4730-01-107-4164 INTERCHANGEABLE
Union,pipe
Cross-Reference Index
Part NumberManufacturer
M1183/10-14A3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-1183H Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-1183/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
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
4730-00-542-5108INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5191INTERCHANGEABLE
UNION,PIPE
4730-00-542-5194INTERCHANGEABLE
UNION,PIPE
4730-01-107-4164INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5192?

NSN 4730-00-542-5192 is a Union,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 4730-00-542-5192?

NSN 4730-00-542-5192 has 3 cross-referenced part numbers: M1183/10-14A3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-1183H (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-1183/10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5192?

There are 9 known substitutes for 4730-00-542-5192: 4730-00-542-5101, 4730-00-542-5102, 4730-00-542-5103 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M1183/10-14A3?

Key specifications for M1183/10-14A3: Style Designator: SCREWED; Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF; Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-5192 still in active supply?

NSN 4730-00-542-5192 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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