PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18305Tube Assembly,metal

Flow Products Inc · NSN 4710-00-737-9590 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-737-9590 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-737-9590. Primary manufacturer part number: 18305.
Features
  • Tube Assembly,metal — FSC 4710
  • End Connection Style: PLAIN SINGLE END
  • Material: STEEL TUBING
  • Design Form: STRAIGHT
  • Material: STEEL SINGLE END
  • Tube Outside Diameter: 0.250 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.0 SINGLE END
  • Mating End Quantity: 2 SINGLE END
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 4710-00-737-9590, 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 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-737-9590
Primary Part Number18305
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerFlow Products Inc
StatusACTIVE
End Connection StylePLAIN SINGLE END
MaterialSTEEL TUBING
Design FormSTRAIGHT
MaterialSTEEL SINGLE END
Tube Outside Diameter0.250 INCHES NOMINAL IN
Seat Angle in Deg45.0 SINGLE END
Mating End Quantity2 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-084-3412 INTERCHANGEABLE
Coil,radio Frequency
3120-00-434-5162 INTERCHANGEABLE
Bearing,sleeve
5331-00-526-767718305 INTERCHANGEABLE
O-Ring
L3harris Technologies, Inc. Div Space and Airborne Systems
4710-00-737-9534 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9537 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9684 INTERCHANGEABLE
Tube Assembly,metal
4710-00-737-9862 INTERCHANGEABLE
Tube Assembly,metal
9905-01-044-7613 INTERCHANGEABLE
Plate,instruction
5133-01-438-7744 INTERCHANGEABLE
Drill,twist
8030-01-641-342818305 INTERCHANGEABLE
Caulking Compound
Dap Usa Inc
Cross-Reference Index
Part NumberManufacturer
18305 Flow Products Inc (USA)
LA-1138 Pettibone Llc (USA)
A18 Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp (USA)
0NBA18 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
7379590 Intrupa Mfg Co (USA)
18LA1138-21 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
LA-1138-21 Pettibone Llc (USA)
18LA1138-21 Tvh Parts Co. (USA)
P67166 Athey Products Corp (USA)
Related Parts
5950-00-084-3412INTERCHANGEABLE
COIL,RADIO FREQUENCY
3120-00-434-5162INTERCHANGEABLE
BEARING,SLEEVE
5331-00-526-7677INTERCHANGEABLE
O-RING
18305
4710-00-737-9534INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9537INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9684INTERCHANGEABLE
TUBE ASSEMBLY,METAL
4710-00-737-9862INTERCHANGEABLE
TUBE ASSEMBLY,METAL
9905-01-044-7613INTERCHANGEABLE
PLATE,INSTRUCTION
5133-01-438-7744INTERCHANGEABLE
DRILL,TWIST
8030-01-641-3428INTERCHANGEABLE
CAULKING COMPOUND
18305
6850-01-645-9189INTERCHANGEABLE
SEALER,CHEMICAL

Frequently Asked Questions

What is NSN 4710-00-737-9590?

NSN 4710-00-737-9590 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 4710-00-737-9590?

NSN 4710-00-737-9590 has 9 cross-referenced part numbers: 18305 (Flow Products Inc), LA-1138 (Pettibone Llc), A18 (Aeroline Div Imperial-Eastman Div I-T-E Imperial Corp), 0NBA18 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 7379590 (Intrupa Mfg Co) and 4 more.

What NSN replaces 4710-00-737-9590?

There are 11 known substitutes for 4710-00-737-9590: 5950-00-084-3412, 3120-00-434-5162, 5331-00-526-7677 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18305?

Key specifications for 18305: End Connection Style: PLAIN SINGLE END; Material: STEEL TUBING; Design Form: STRAIGHT; Material: STEEL SINGLE END. 8 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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