PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18304Tube Assembly,metal

Flow Products Inc · NSN 4710-00-737-9684 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-737-9684 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-737-9684. Primary manufacturer part number: 18304.
Features
  • Tube Assembly,metal — FSC 4710
  • End Connection Style: SWIVEL NUT, INVERTED FLARE SINGLE END
  • Thread Series Designator: UNF SINGLE END
  • Material: STEEL TUBING
  • Seat Angle in Deg: 45.0 SINGLE END
  • Tube Outside Diameter: 0.312 INCHES NOMINAL IN
  • Nominal Thread Size: 0.500 INCHES SINGLE END IN
  • Wall Thickness: 0.028 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-737-9684, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Flow Products Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN4710-00-737-9684
Primary Part Number18304
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerFlow Products Inc
StatusACTIVE
End Connection StyleSWIVEL NUT, INVERTED FLARE SINGLE END
Thread Series DesignatorUNF SINGLE END
MaterialSTEEL TUBING
Seat Angle in Deg45.0 SINGLE END
Tube Outside Diameter0.312 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES SINGLE END IN
Wall Thickness0.028 INCHES NOMINAL IN
Design FormPREBENT
MaterialSTEEL SINGLE END
Thread Class3A SINGLE END A
Thread DirectionRIGHT-HAND SINGLE END
Mating End Quantity2 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6920-00-063-5928A24 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
5950-00-084-3413 INTERCHANGEABLE
Coil,radio Frequency
3110-00-155-9162A24 INTERCHANGEABLE
Bearing,ball,thrust
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
3030-00-160-8283A24 INTERCHANGEABLE
Belt,v
Gates Corporation
5360-00-290-8065 INTERCHANGEABLE
Spring,helical,compression
6680-00-443-2263A2-4 INTERCHANGEABLE
Anemometer
Davis Inotek Instruments, Llc Dba Davis Calibration
3110-00-554-56756008C3 INTERCHANGEABLE
Bearing,ball,annular
Ntn Bearing Corporation of America
5950-00-583-1754 INTERCHANGEABLE
Transformer,audio Frequency
5330-00-722-1169Q24 INTERCHANGEABLE
Gasket Set
Met-Pro Corporation
4710-00-737-9534 INTERCHANGEABLE
Tube Assembly,metal
Cross-Reference Index
Part NumberManufacturer
18304 Flow Products Inc (USA)
0NBA24 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
LA-1138 Pettibone Llc (USA)
P67165 Athey Products Corp (USA)
A24 Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp (USA)
LA-1138-20 Pettibone Llc (USA)
Related Parts
6920-00-063-5928INTERCHANGEABLE
TARGET,BULL'S-EYE
A24
5950-00-084-3413INTERCHANGEABLE
COIL,RADIO FREQUENCY
3110-00-155-9162INTERCHANGEABLE
BEARING,BALL,THRUST
A24
3030-00-160-8283INTERCHANGEABLE
BELT,V
A24
5360-00-290-8065INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6680-00-443-2263INTERCHANGEABLE
ANEMOMETER
A2-4
3110-00-554-5675INTERCHANGEABLE
BEARING,BALL,ANNULAR
6008C3
5950-00-583-1754INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5330-00-722-1169INTERCHANGEABLE
GASKET SET
Q24
4710-00-737-9534INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9537INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9590INTERCHANGEABLE
TUBE ASSEMBLY,METAL

Frequently Asked Questions

What is NSN 4710-00-737-9684?

NSN 4710-00-737-9684 is a Tube Assembly,metal, manufactured by Flow Products Inc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-737-9684?

NSN 4710-00-737-9684 has 6 cross-referenced part numbers: 18304 (Flow Products Inc), 0NBA24 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), LA-1138 (Pettibone Llc), P67165 (Athey Products Corp), A24 (Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp) and 1 more.

What NSN replaces 4710-00-737-9684?

There are 12 known substitutes for 4710-00-737-9684: 6920-00-063-5928, 5950-00-084-3413, 3110-00-155-9162 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18304?

Key specifications for 18304: End Connection Style: SWIVEL NUT, INVERTED FLARE SINGLE END; Thread Series Designator: UNF SINGLE END; Material: STEEL TUBING; Seat Angle in Deg: 45.0 SINGLE END. 12 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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