PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILF1183Union,pipe

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4730-00-542-5194 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5194 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5194. Primary manufacturer part number: MILF1183.
Features
  • Union,pipe — FSC 4730
  • Material Document and Classification: QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN
  • Connection Style: SOCKET W/ GROVE (TUBE) ALL ENDS
  • Specification/standard Data: 81349-MIL-F-1183H GOVERNMENT SPECIFICATION
  • Coupling Flange Shape: ROUND
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-542-5194, 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 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, 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
NSN4730-00-542-5194
Primary Part NumberMILF1183
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Material Document and ClassificationQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nominal Pipe Size Accommodated1.500 INCHES ALL ENDS IN
Connection StyleSOCKET W/ GROVE (TUBE) ALL ENDS
Specification/standard Data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
Coupling Flange ShapeROUND
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Pipe Wall Thickness Designation for Which DesignedSTANDARD ALL ENDS
Media for Which DesignedSTEAM FIRST RESPONSE
Furnished Items and Quantity2 BRAZING RING
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Style DesignatorUNTHREADED
Seat TypeBEVELED
Nominal Overall Length3.000 INCHES IN
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
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
4730-00-542-5192 INTERCHANGEABLE
Union,pipe
4730-01-107-4164 INTERCHANGEABLE
Union,pipe
Cross-Reference Index
Part NumberManufacturer
MILF1183 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
M1183/10-16A5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FFA-5201-300 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
MILF1183 Allied Plumbing Sales Co Inc (USA)
MIL-F-1183 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
M1183/10-16A34 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1183/10-16A3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5231-300 Flagg Stanley G & Co Inc Dba Flagg Brass (USA)
MIL-DTL-1183/10 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4730PL1340687 Jednolity Indeks Materialowy - Uniform Material Index (POL)
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
4730-00-542-5192INTERCHANGEABLE
UNION,PIPE
4730-01-107-4164INTERCHANGEABLE
UNION,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5194?

NSN 4730-00-542-5194 is a Union,pipe, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-542-5194?

NSN 4730-00-542-5194 has 11 cross-referenced part numbers: MILF1183 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), M1183/10-16A5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FFA-5201-300 (Flagg Stanley G & Co Inc Dba Flagg Brass), MILF1183 (Allied Plumbing Sales Co Inc), MIL-F-1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 4730-00-542-5194?

There are 9 known substitutes for 4730-00-542-5194: 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 MILF1183?

Key specifications for MILF1183: Material Document and Classification: QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OR ASTM-B62 ASSN STD 3RD MATERIAL RESPONSE OVERALL; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET W/ GROVE (TUBE) ALL ENDS. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-5194 still in active supply?

NSN 4730-00-542-5194 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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