PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS14304Coupling,pipe

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-187-7575 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-187-7575 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-187-7575. Primary manufacturer part number: MS14304.
Features
  • Coupling,pipe — FSC 4730
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Specification/standard Data: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Style Designator: THREADED INTERNAL
  • Maximum Operating Temp: 37.8 CELSIUS SINGLE RESPONSE DEGC
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7575, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN4730-00-187-7575
Primary Part NumberMS14304
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Connection StylePLAIN (PIPE) ALL ENDS
Specification/standard Data80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Style DesignatorTHREADED INTERNAL
Maximum Operating Temp37.8 CELSIUS SINGLE RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nominal Overall Length3.380 INCHES IN
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size2.000 INCHES ALL ENDS IN
Nominal Thread Size2.000 INCHES ALL ENDS IN
Nominal Overall Length3.380 INCHES IN
Material Document and ClassificationASTM A181,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A182,GRADE @F22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material Document and ClassificationASTM A181,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A182,GRADE @F22 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Specification/standard Data80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
Style DesignatorTHREADED INTERNAL
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL OVERALL
Thread Series DesignatorNPT ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-014-6694 INTERCHANGEABLE
Bushing,pipe
4730-00-187-7569 INTERCHANGEABLE
Coupling,pipe
4730-00-187-7570 INTERCHANGEABLE
Coupling,pipe
4730-00-249-3945 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3947 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3948 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3950 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3951 INTERCHANGEABLE
Elbow,pipe
4730-00-249-3952 INTERCHANGEABLE
Elbow,pipe
4730-00-253-4426 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
MS14304 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2IN-32615-304L Ladish Co Tri-Clover Div (USA)
MILP18174 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B16.11 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS14304-9AQV Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ASME-B16.11 The American Society of Mechanical Engineers (USA)
386SIZE2IN Crane Co Div Valve Div (USA)
MS14304-1C32 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
C5114455 Signals Warfare Project Manager (USA)
Related Parts
4730-00-014-6694INTERCHANGEABLE
BUSHING,PIPE
4730-00-187-7569INTERCHANGEABLE
COUPLING,PIPE
4730-00-187-7570INTERCHANGEABLE
COUPLING,PIPE
4730-00-249-3945INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3947INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3948INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3950INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3951INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3952INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4426INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4427INTERCHANGEABLE
ELBOW,PIPE
4730-00-253-4430INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-187-7575?

NSN 4730-00-187-7575 is a Coupling,pipe, manufactured by Military Standards Promulgated by Military Departments 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 4730-00-187-7575?

NSN 4730-00-187-7575 has 9 cross-referenced part numbers: MS14304 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 2IN-32615-304L (Ladish Co Tri-Clover Div), MILP18174 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B16.11 (American National Standards Institute Incorporated Dba American National Standards Institute), MS14304-9AQV (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4730-00-187-7575?

There are 12 known substitutes for 4730-00-187-7575: 4730-00-014-6694, 4730-00-187-7569, 4730-00-187-7570 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS14304?

Key specifications for MS14304: Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Connection Style: PLAIN (PIPE) ALL ENDS; Specification/standard Data: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-187-7575 still in active supply?

NSN 4730-00-187-7575 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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