PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4730-0121AA25GLPQCoupling,pipe

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4730-00-542-5109 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-542-5109 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-542-5109. Primary manufacturer part number: CS4730-0121AA25GLPQ.
Features
  • Coupling,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN
  • Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Connection Style: SOCKET W/ GROVE (PIPE) ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Material: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
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 4730-00-542-5109, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4730-00-542-5109
Primary Part NumberCS4730-0121AA25GLPQ
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Nominal Pipe Size Accommodated3.000 INCHES ALL ENDS IN
Maximum Operating Temp425.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Connection StyleSOCKET W/ GROVE (PIPE) ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Media for Which DesignedSTEAM FIRST RESPONSE
MaterialCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
Material Document and ClassificationQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nominal Overall Length3.180 INCHES IN
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Specification/standard Data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Furnished Items and Quantity2 BRAZING RING
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Style DesignatorPLAIN W/CONCAVE SIDES
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
4730-00-542-5110 INTERCHANGEABLE
Coupling,tube
Cross-Reference Index
Part NumberManufacturer
CS4730-0121AA25GLPQ Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
CS4730-0121 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MIL-DTL-1183/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-1183 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1183/3-10A 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
4730-00-542-5110INTERCHANGEABLE
COUPLING,TUBE
4730-00-542-5111INTERCHANGEABLE
COUPLING,PIPE
4730-00-542-5112INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4730-00-542-5109?

NSN 4730-00-542-5109 is a Coupling,pipe, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-542-5109?

NSN 4730-00-542-5109 has 5 cross-referenced part numbers: CS4730-0121AA25GLPQ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), CS4730-0121 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), MIL-DTL-1183/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-1183 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1183/3-10A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-00-542-5109?

There are 12 known substitutes for 4730-00-542-5109: 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 CS4730-0121AA25GLPQ?

Key specifications for CS4730-0121AA25GLPQ: Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN; End Item Identification: 34N COMBAT SYSTEM SUPPORT EQUIPMENT; Maximum Operating Temp: 425.0 FAHRENHEIT FIRST RESPONSE DEGF; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 17 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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