PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-3-36ALT4-1-1/4INCoupling,pipe

Puget Sound Naval Shipyard and Intermediate Maintence Facility · NSN 4730-00-542-5105 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5105 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5105. Primary manufacturer part number: S-3-36ALT4-1-1/4IN.
Features
  • Coupling,pipe — FSC 4730
  • Material: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
  • Furnished Items and Quantity: 2 BRAZING RING
  • 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: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
  • Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 903 or Copper Alloy 922 Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-542-5105, 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 Puget Sound Naval Shipyard and Intermediate Maintence Facility. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN4730-00-542-5105
Primary Part NumberS-3-36ALT4-1-1/4IN
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPuget Sound Naval Shipyard and Intermediate Maintence Facility
StatusCANCELLED
MaterialCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
Furnished Items and Quantity2 BRAZING RING
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Connection StyleSTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Specification/standard Data81349-MIL-F-1183 GOVERNMENT SPECIFICATION
Nominal Overall Length1.860 INCHES IN
Material Document and ClassificationQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Media for Which DesignedSTEAM FIRST RESPONSE
Style DesignatorPLAIN W/CONCAVE SIDES
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSTANDARD ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-276-30155150250 INTERCHANGEABLE
Washer,convex
Rolls-Royce Solutions America Inc
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
4730-00-542-5106 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
S-3-36ALT4-1-1/4IN Puget Sound Naval Shipyard and Intermediate Maintence Facility (USA)
MILF1183 Mindeco Corp (USA)
014306-BV Bec Systems Llc Dba Bec Machine Products (USA)
CS4730-0121A13GLPQ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
M1183/3-06A 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
5150-250 Lbc Aquisitions Llc Dba Lee Brass Div Lee Brass Foundry, Llc (USA)
MIL-F-1183H Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-276-3015INTERCHANGEABLE
WASHER,CONVEX
5150250
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
4730-00-542-5106INTERCHANGEABLE
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
4730-00-542-5111INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5105?

NSN 4730-00-542-5105 is a Coupling,pipe, manufactured by Puget Sound Naval Shipyard and Intermediate Maintence Facility, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-542-5105?

NSN 4730-00-542-5105 has 8 cross-referenced part numbers: S-3-36ALT4-1-1/4IN (Puget Sound Naval Shipyard and Intermediate Maintence Facility), MILF1183 (Mindeco Corp), 014306-BV (Bec Systems Llc Dba Bec Machine Products), CS4730-0121A13GLPQ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), M1183/3-06A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 4730-00-542-5105?

There are 12 known substitutes for 4730-00-542-5105: 5310-00-276-3015, 4730-00-542-5100, 4730-00-542-5101 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-3-36ALT4-1-1/4IN?

Key specifications for S-3-36ALT4-1-1/4IN: Material: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL; Furnished Items and Quantity: 2 BRAZING RING; Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF; Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-542-5105 still in active supply?

NSN 4730-00-542-5105 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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