PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6309Coupling,pipe

Cnh Industrial America Llc Dba Cnh America · NSN 4730-00-203-3504 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-203-3504 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-203-3504. Primary manufacturer part number: 6309.
Features
  • Coupling,pipe — FSC 4730
  • Thread Series Designator: NPSM FIRST END
  • Seat Angle: 30.0 DEGREES FIRST END
  • Connection Style: SWIVEL NUT INVERTED FLARE (PIPE) FIRST END
  • Thread Series Designator: NPT SECOND END
  • Nominal Overall Length: 2.328 INCHES IN
  • Nominal Overall Length: 2.328 INCHES IN
  • Operating Pressure: 3250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-00-203-3504, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-203-3504
Primary Part Number6309
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCnh Industrial America Llc Dba Cnh America
StatusACTIVE
Thread Series DesignatorNPSM FIRST END
Seat Angle30.0 DEGREES FIRST END
Connection StyleSWIVEL NUT INVERTED FLARE (PIPE) FIRST END
Thread Series DesignatorNPT SECOND END
Nominal Overall Length2.328 INCHES IN
Nominal Overall Length2.328 INCHES IN
Operating Pressure3250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.000 INCHES SECOND END IN
Nominal Thread Size1.000 INCHES FIRST END IN
Operating Pressure3250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.000 INCHES FIRST END IN
MaterialSTEEL OVERALL
Seat Angle30.0 DEGREES FIRST END
Thread Series DesignatorNPSM FIRST END
Thread Series DesignatorNPT SECOND END
MaterialSTEEL OVERALL
Style DesignatorTHREADED INTERNAL SWIVEL, THREADED INTERNAL RIGID
Connection StylePLAIN (PIPE) SECOND END
Media for Which DesignedOIL SINGLE RESPONSE
Surface TreatmentCADMIUM OR ZINC OVERALL
Connection TypeTHREADED INTERNAL PIPE FIRST END
Media for Which DesignedOIL SINGLE RESPONSE
Maximum Operating Temp93.3 CELSIUS SINGLE RESPONSE DEGC
Surface TreatmentCADMIUM OR ZINC OVERALL
Nominal Thread Size1.000 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE SECOND END
Style DesignatorTHREADED INTERNAL SWIVEL, THREADED INTERNAL RIGID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-055-5038 INTERCHANGEABLE
Step Plate,mechanical Puller
3020-00-141-81496309 INTERCHANGEABLE
Gear,helical
Agco Corp Parts Opn
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
5995-00-162-0910SCD6309 INTERCHANGEABLE
Cord Assembly,electrical,branche
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-199-82274055069 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Textron Aviation Inc
4320-00-201-8542 INTERCHANGEABLE
Sleeve,shaft,pump
5310-00-341-8734 INTERCHANGEABLE
Washer,slip Joint
5815-00-356-3419SC-C-78076-14 INTERCHANGEABLE
Keytop,keyboard
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-359-1823028166 INTERCHANGEABLE
Seat,helical Compression Spring
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
6309 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
975-1 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
10385 Barnes Group Inc. Dba Barnes Distribution (USA)
9255X16X16 Danfoss Power Solutions II, Llc (USA)
9255X16X16 Dana Corp Weatherhead Div (USA)
16F16UFS Contitech Usa, Inc. (USA)
16F16UFS Anchor Swan Corp Sub of Amerace Corp (USA)
118-2655-012 Landoll Company, Llc (USA)
Related Parts
5120-00-055-5038INTERCHANGEABLE
STEP PLATE,MECHANICAL PULLER
3020-00-141-8149INTERCHANGEABLE
GEAR,HELICAL
6309
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
5995-00-162-0910INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
SCD6309
5330-00-199-8227INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
4055069
4320-00-201-8542INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
5310-00-341-8734INTERCHANGEABLE
WASHER,SLIP JOINT
5815-00-356-3419INTERCHANGEABLE
KEYTOP,KEYBOARD
SC-C-78076-14
5340-00-359-1823INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
028166
3120-00-365-1231INTERCHANGEABLE
BUSHING,SLEEVE
2015
5965-00-457-2496INTERCHANGEABLE
HANDSET
H169U

Frequently Asked Questions

What is NSN 4730-00-203-3504?

NSN 4730-00-203-3504 is a Coupling,pipe, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-203-3504?

NSN 4730-00-203-3504 has 8 cross-referenced part numbers: 6309 (Cnh Industrial America Llc Dba Cnh America), 975-1 (Cnh Industrial America Llc Dba Cnh America), 10385 (Barnes Group Inc. Dba Barnes Distribution), 9255X16X16 (Danfoss Power Solutions II, Llc), 9255X16X16 (Dana Corp Weatherhead Div) and 3 more.

What NSN replaces 4730-00-203-3504?

There are 12 known substitutes for 4730-00-203-3504: 5120-00-055-5038, 3020-00-141-8149, 2940-00-141-9025 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6309?

Key specifications for 6309: Thread Series Designator: NPSM FIRST END; Seat Angle: 30.0 DEGREES FIRST END; Connection Style: SWIVEL NUT INVERTED FLARE (PIPE) FIRST END; Thread Series Designator: NPT SECOND END. 27 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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