PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-6-37-2Adapter,straight,pipe to Tube

Jm Fittings, Llc Dba L & L Fittings Mfg · NSN 4730-00-006-9554 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-006-9554 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-006-9554. Primary manufacturer part number: 4-6-37-2.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Nominal Overall Length: 1.390 INCHES IN
  • Thread Series Designator: UNF FIRST END
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
  • Seat Angle: 37.0 DEGREES FIRST END
  • Material: STEEL OVERALL
  • Thread Series Designator: NPTF SECOND END
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 4730-00-006-9554, 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 Jm Fittings, Llc Dba L & L Fittings Mfg. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-00-006-9554
Primary Part Number4-6-37-2
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerJm Fittings, Llc Dba L & L Fittings Mfg
StatusACTIVE
Nominal Thread Size0.438 INCHES FIRST END IN
Nominal Overall Length1.390 INCHES IN
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.375 INCHES SECOND END IN
Seat Angle37.0 DEGREES FIRST END
MaterialSTEEL OVERALL
Thread Series DesignatorNPTF SECOND END
Nominal Pipe Size Accommodated0.375 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Thread Class2A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-904-5355 INTERCHANGEABLE
Semiconductor Device,diode
6150-01-333-249146372 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Setra Systems, Inc. Dba Gems Sensors
4720-01-532-474522986 INTERCHANGEABLE
Hose,nonmetallic
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
4-6-37-2 Jm Fittings, Llc Dba L & L Fittings Mfg (USA)
Related Parts
5961-00-904-5355INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6150-01-333-2491INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
46372
4720-01-532-4745INTERCHANGEABLE
HOSE,NONMETALLIC
22986

Frequently Asked Questions

What is NSN 4730-00-006-9554?

NSN 4730-00-006-9554 is a Adapter,straight,pipe to Tube, manufactured by Jm Fittings, Llc Dba L & L Fittings Mfg, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-006-9554?

NSN 4730-00-006-9554 has 1 cross-referenced part number: 4-6-37-2 (Jm Fittings, Llc Dba L & L Fittings Mfg).

What NSN replaces 4730-00-006-9554?

There are 3 known substitutes for 4730-00-006-9554: 5961-00-904-5355, 6150-01-333-2491, 4720-01-532-4745. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-6-37-2?

Key specifications for 4-6-37-2: Nominal Thread Size: 0.438 INCHES FIRST END IN; Nominal Overall Length: 1.390 INCHES IN; Thread Series Designator: UNF FIRST END; Nominal Thread Size: 0.375 INCHES SECOND END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com