PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-219-16HAdapter,straight,flange to Tube

Bell Textron Inc · NSN 4730-01-256-9000 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-256-9000 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-256-9000. Primary manufacturer part number: 30-219-16H.
Features
  • Adapter,straight,flange to Tube — FSC 4730
  • Surface Treatment: PASSIVATE OVERALL
  • Connection Style: INVERTED FLARE (TUBE) FIRST END
  • Seat Angle: 33.0 DEGREES FIRST END
  • Thread Quantity Per Inch: 12 FIRST END
  • Raised Face Nominal Height: 0.235 INCHES SECOND END IN
  • Thread Class: 3A FIRST END A
  • Nominal Overall Length: 0.813 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-256-9000, 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 Bell Textron Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-256-9000
Primary Part Number30-219-16H
Item NameAdapter,straight,flange to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBell Textron Inc
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Connection StyleINVERTED FLARE (TUBE) FIRST END
Seat Angle33.0 DEGREES FIRST END
Thread Quantity Per Inch12 FIRST END
Raised Face Nominal Height0.235 INCHES SECOND END IN
Thread Class3A FIRST END A
Nominal Overall Length0.813 INCHES IN
Nominal Outside Diameter Tube Accommodated1.000 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Flange Face DesignRAISED STRAIGHT SECOND END
Connection TypeFLANGE SECOND END
Nominal Thickness0.062 INCHES SECOND END IN
Nominal Outside Diameter1.169 INCHES SECOND END IN
Thread Series DesignatorUNIFIED NATIONAL JOINT (UNJ) FIRST END
Flange ShapeROUND SECOND END
Nominal Thread Size1.312 INCHES FIRST END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-8230 INTERCHANGEABLE
Bearing,ball,annular
4820-00-168-8744BB57S4901ALT,DPC219 INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
3110-00-215-030330219 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
2520-00-752-1703A3866Z520 INTERCHANGEABLE
Retainer Assembly,bearing
Meritor Industrial Products, Llc
4820-01-419-693130219 INTERCHANGEABLE
Seat,valve
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
5120-01-565-187030219 INTERCHANGEABLE
Screwdriver,flat Tip
Wiha Quality Tools
3130-01-649-541030219 INTERCHANGEABLE
Housing,bearing Unit
Generac Mobile Products, Llc
5975-01-671-107030219 INTERCHANGEABLE
Junction Box
Mulberry Metal Products Inc
Cross-Reference Index
Part NumberManufacturer
FL58-16H Fluidtronics (USA)
30-219 Bell Textron Inc (USA)
30-219-16H PRIMARY Bell Textron Inc (USA)
40558-16H Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
NA50502-16H Rundel-Idec (USA)
Related Parts
3110-00-156-8230INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-00-168-8744INTERCHANGEABLE
VALVE,GLOBE
BB57S4901ALT,DPC219
3110-00-215-0303INTERCHANGEABLE
BEARING,ROLLER,TAPERED
30219
2520-00-752-1703INTERCHANGEABLE
RETAINER ASSEMBLY,BEARING
A3866Z520
4820-01-419-6931INTERCHANGEABLE
SEAT,VALVE
30219
5120-01-565-1870INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
30219
3130-01-649-5410INTERCHANGEABLE
HOUSING,BEARING UNIT
30219
5975-01-671-1070INTERCHANGEABLE
JUNCTION BOX
30219

Frequently Asked Questions

What is NSN 4730-01-256-9000?

NSN 4730-01-256-9000 is a Adapter,straight,flange to Tube, manufactured by Bell Textron Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-256-9000?

NSN 4730-01-256-9000 has 5 cross-referenced part numbers: FL58-16H (Fluidtronics), 30-219 (Bell Textron Inc), 30-219-16H (Bell Textron Inc), 40558-16H (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), NA50502-16H (Rundel-Idec).

What NSN replaces 4730-01-256-9000?

There are 8 known substitutes for 4730-01-256-9000: 3110-00-156-8230, 4820-00-168-8744, 3110-00-215-0303 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-219-16H?

Key specifications for 30-219-16H: Surface Treatment: PASSIVATE OVERALL; Special Features: THREE HOLES DRILLED IN HEXAGON; Connection Style: INVERTED FLARE (TUBE) FIRST END; Seat Angle: 33.0 DEGREES FIRST END. 19 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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