PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8909A915-001Adapter,straight,pipe to Tube

The Entwistle Company Llc · NSN 4730-01-398-3395 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-398-3395 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-398-3395. Primary manufacturer part number: 8909A915-001.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Seat Angle: 12.0 DEGREES FIRST END
  • Thread Series Designator: UNF FIRST END
  • Thread Class: 3B FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-398-3395, 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 The Entwistle Company Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-398-3395
Primary Part Number8909A915-001
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Entwistle Company Llc
StatusACTIVE
Seat Angle12.0 DEGREES FIRST END
Thread Series DesignatorUNF FIRST END
Thread Class3B FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
MaterialSTEEL OVERALL
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Connection StyleSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6760-01-047-2488 INTERCHANGEABLE
Flash Unit,photographic,repeatin
6760-01-214-8093SU4150 INTERCHANGEABLE
Flash Unit,photographic,repeatin
Calumet Photographic, Inc.
4730-01-443-98226505-4-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Brennan Industries
Cross-Reference Index
Part NumberManufacturer
8909A915-001 PRIMARY The Entwistle Company Llc (USA)
6505-4-4 Tompkins Industries Inc (USA)
Related Parts
6760-01-047-2488INTERCHANGEABLE
FLASH UNIT,PHOTOGRAPHIC,REPEATIN
6760-01-214-8093INTERCHANGEABLE
FLASH UNIT,PHOTOGRAPHIC,REPEATIN
SU4150
4730-01-443-9822INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
6505-4-4

Frequently Asked Questions

What is NSN 4730-01-398-3395?

NSN 4730-01-398-3395 is a Adapter,straight,pipe to Tube, manufactured by The Entwistle Company Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-398-3395?

NSN 4730-01-398-3395 has 2 cross-referenced part numbers: 8909A915-001 (The Entwistle Company Llc), 6505-4-4 (Tompkins Industries Inc).

What NSN replaces 4730-01-398-3395?

There are 3 known substitutes for 4730-01-398-3395: 6760-01-047-2488, 6760-01-214-8093, 4730-01-443-9822. Verify interchangeability with system specifications before substitution.

What are the specifications of 8909A915-001?

Key specifications for 8909A915-001: Seat Angle: 12.0 DEGREES FIRST END; End Item Identification: 3930-01-330-8907; Thread Series Designator: UNF FIRST END; Thread Class: 3B FIRST END. 13 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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