PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WWP460CLASSACoupling,pipe

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 4730-00-187-7648 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-187-7648 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-187-7648. Primary manufacturer part number: WWP460CLASSA.
Features
  • Coupling,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Specification/standard Data: 96906-MS14305 GOVERNMENT STANDARD AND 81348-WW-P-460 GOVERNMENT SPECIFICATION
  • Maximum Operating Temp: 208.0 CELSIUS FIRST RESPONSE DEGC
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Nondefinitive Spec/std Data: A CLASS AND 1 RATING
  • Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE
  • Nondefinitive Spec/std Data: A CLASS AND 1 RATING
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-187-7648, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN4730-00-187-7648
Primary Part NumberWWP460CLASSA
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Specification/standard Data96906-MS14305 GOVERNMENT STANDARD AND 81348-WW-P-460 GOVERNMENT SPECIFICATION
Maximum Operating Temp208.0 CELSIUS FIRST RESPONSE DEGC
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nondefinitive Spec/std DataA CLASS AND 1 RATING
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nondefinitive Spec/std DataA CLASS AND 1 RATING
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Connection StylePLAIN (PIPE) ALL ENDS
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedSTEAM FIRST RESPONSE
Specification/standard Data96906-MS14305 GOVERNMENT STANDARD AND 81348-WW-P-460 GOVERNMENT SPECIFICATION
Nominal Overall Length1.050 INCHES IN
Style DesignatorPLAIN W/ FLATED SIDES
Nominal Overall Length1.050 INCHES IN
Nominal Thread Size0.375 INCHES ALL ENDS IN
Style DesignatorPLAIN W/ FLATED SIDES
MaterialCOPPER ALLOY OVERALL
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT ALL ENDS
Maximum Operating Temp65.6 CELSIUS SECOND RESPONSE DEGC
Nominal Thread Size0.375 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-053-0266 INTERCHANGEABLE
Elbow,pipe
5305-00-058-9379MS51977-51 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4730-00-189-3042 INTERCHANGEABLE
Reducer,pipe
4730-00-189-3044 INTERCHANGEABLE
Reducer,pipe
4730-00-203-8350 INTERCHANGEABLE
Coupling,pipe
4730-00-231-2386 INTERCHANGEABLE
Cap,pipe
4730-00-231-2400 INTERCHANGEABLE
Cap,pipe
4730-00-231-2407 INTERCHANGEABLE
Cap,pipe
4730-00-249-2065 INTERCHANGEABLE
Tee,pipe
4730-00-249-3875 INTERCHANGEABLE
Elbow,pipe
Cross-Reference Index
Part NumberManufacturer
WWP460CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MIL-F-1184TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS14305-3YA Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
WW-P-460 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS14305 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS14305-3YC Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4730PL1340580 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
4730-00-053-0266INTERCHANGEABLE
ELBOW,PIPE
5305-00-058-9379INTERCHANGEABLE
SETSCREW
MS51977-51
4730-00-189-3042INTERCHANGEABLE
REDUCER,PIPE
4730-00-189-3044INTERCHANGEABLE
REDUCER,PIPE
4730-00-203-8350INTERCHANGEABLE
COUPLING,PIPE
4730-00-231-2386INTERCHANGEABLE
CAP,PIPE
4730-00-231-2400INTERCHANGEABLE
CAP,PIPE
4730-00-231-2407INTERCHANGEABLE
CAP,PIPE
4730-00-249-2065INTERCHANGEABLE
TEE,PIPE
4730-00-249-3875INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3882INTERCHANGEABLE
ELBOW,PIPE
4730-00-249-3895INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 4730-00-187-7648?

NSN 4730-00-187-7648 is a Coupling,pipe, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-187-7648?

NSN 4730-00-187-7648 has 7 cross-referenced part numbers: WWP460CLASSA (Federal Specifications Promulgated by General Services Administration Washington DC), MIL-F-1184TYPE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS14305-3YA (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WW-P-460 (Federal Specifications Promulgated by General Services Administration Washington DC), MS14305 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 4730-00-187-7648?

There are 12 known substitutes for 4730-00-187-7648: 4730-00-053-0266, 5305-00-058-9379, 4730-00-189-3042 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WWP460CLASSA?

Key specifications for WWP460CLASSA: Thread Series Designator: NPT ALL ENDS; Specification/standard Data: 96906-MS14305 GOVERNMENT STANDARD AND 81348-WW-P-460 GOVERNMENT SPECIFICATION; Maximum Operating Temp: 208.0 CELSIUS FIRST RESPONSE DEGC; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-187-7648 still in active supply?

NSN 4730-00-187-7648 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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