PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3950X4Cross,pipe

Dana Corp Weatherhead Div · NSN 4730-00-254-6373 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-254-6373 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-254-6373. Primary manufacturer part number: 3950X4.
Features
  • Cross,pipe — FSC 4730
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Maximum Operating Temp: 65.6 FAHRENHEIT SECOND RESPONSE DEGF
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Maximum Operating Temp: 204.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN
  • Leg Length: 0.710 INCHES NOMINAL ALL ENDS IN
  • Operating Pressure: 125.0 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 Cross,pipe, cataloged under National Stock Number 4730-00-254-6373, 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 Dana Corp Weatherhead Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 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
NSN4730-00-254-6373
Primary Part Number3950X4
Item NameCross,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDana Corp Weatherhead Div
StatusCANCELLED
Connection StylePLAIN (PIPE) ALL ENDS
Maximum Operating Temp65.6 FAHRENHEIT SECOND RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp204.0 FAHRENHEIT FIRST RESPONSE DEGF
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Leg Length0.710 INCHES NOMINAL ALL ENDS IN
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Media for Which DesignedSTEAM SECOND RESPONSE
Nondefinitive Spec/std DataA CLASS
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Operating Pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Material Document and ClassificationQQ-C-390,CP 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Media for Which DesignedWATER-OIL-GAS FIRST RESPONSE
MaterialCOPPER ALLOY OVERALL
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
5930-00-177-938325358 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
4730-00-187-7648 INTERCHANGEABLE
Coupling,pipe
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
Cross-Reference Index
Part NumberManufacturer
3950X4 Dana Corp Weatherhead Div (USA)
MILF1184TYE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
901110-2 Joy Global Underground Mining Llc (USA)
25-358 Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA)
4429K351 Mcmaster-Carr Supply Co (USA)
2205P-4 Parker-Hannifin Corp Div Fluid System Connector Division (USA)
MILF1184TYPE1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
EE41026 Oshkosh Corp (USA)
WWP460CLASSA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
102B1-4NPT Imperial (USA)
3950X4 Dana Corp Warehouse Opns Fort Wayne Warehouse (USA)
10504762 General Dynamics Land Systems Canadacorp (CAN)
A17189-2 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
7B0192 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
4730-00-053-0266INTERCHANGEABLE
ELBOW,PIPE
5305-00-058-9379INTERCHANGEABLE
SETSCREW
MS51977-51
5930-00-177-9383INTERCHANGEABLE
SWITCH,FLOW
25358
4730-00-187-7648INTERCHANGEABLE
COUPLING,PIPE
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

Frequently Asked Questions

What is NSN 4730-00-254-6373?

NSN 4730-00-254-6373 is a Cross,pipe, manufactured by Dana Corp Weatherhead Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-254-6373?

NSN 4730-00-254-6373 has 14 cross-referenced part numbers: 3950X4 (Dana Corp Weatherhead Div), MILF1184TYE1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 901110-2 (Joy Global Underground Mining Llc), 25-358 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc), 4429K351 (Mcmaster-Carr Supply Co) and 9 more.

What NSN replaces 4730-00-254-6373?

There are 12 known substitutes for 4730-00-254-6373: 4730-00-053-0266, 5305-00-058-9379, 5930-00-177-9383 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3950X4?

Key specifications for 3950X4: Connection Style: PLAIN (PIPE) ALL ENDS; Maximum Operating Temp: 65.6 FAHRENHEIT SECOND RESPONSE DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Maximum Operating Temp: 204.0 FAHRENHEIT FIRST RESPONSE DEGF. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-254-6373 still in active supply?

NSN 4730-00-254-6373 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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