PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69Adapter,straight,pipe to Tube

Ashcroft Inc Dba Heise · NSN 4730-01-009-4818 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-009-4818 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-009-4818. Primary manufacturer part number: 69.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Thread Series Designator: UN FIRST END
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Thread Series Designator: NPT SECOND END
  • Thread Class: 2A FIRST END A
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.510 INCHES FIRST END IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-009-4818, 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 Ashcroft Inc Dba Heise. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4730-01-009-4818
Primary Part Number69
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Thread Series DesignatorUN FIRST END
Nominal Thread Size0.500 INCHES SECOND END IN
Thread Series DesignatorNPT SECOND END
Thread Class2A FIRST END A
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Tube Accommodated0.510 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StylePLAIN (PIPE) SECOND END
Nominal Thread Size0.625 INCHES FIRST END IN
Furnished Items and Quantity1 TUBE COUPLING NUT W/SLEEVE
Nominal Overall Length1.210 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Quantity Per Inch20 FIRST END
Connection StyleINVERTED FLARE (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-105-54345069 INTERCHANGEABLE
Connector,receptacle,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5935-00-156-07845069 INTERCHANGEABLE
Adapter,connector
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
2915-00-604-64645069 INTERCHANGEABLE
Pressure Regulator,
Aar Allen Services, Inc Dba Aar Component Services Wellington
6685-00-678-506923332 INTERCHANGEABLE
Indicator,humidity,plug
Protekair
5950-00-712-6167G129-216-001 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc.
4920-01-046-18435069 INTERCHANGEABLE
Mask,blade Shot Peen
Metal Improvement Company, Llc Div Bensalem Division
5306-01-154-52535069 INTERCHANGEABLE
Bolt,machine
Hme, Inc. Dba Hme Ahrens-Fox
5330-01-261-56262912814-1 INTERCHANGEABLE
Gasket
Nolato Jabar Llc
5110-01-274-9919 INTERCHANGEABLE
Knife,pocket
5365-01-333-3825005069 INTERCHANGEABLE
Shim
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
50-69 Ashcroft Inc Dba Heise (USA)
69 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
5935-00-105-5434INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5069
5935-00-156-0784INTERCHANGEABLE
ADAPTER,CONNECTOR
5069
2915-00-604-6464INTERCHANGEABLE
PRESSURE REGULATOR,
5069
6685-00-678-5069INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
23332
5950-00-712-6167INTERCHANGEABLE
REACTOR
G129-216-001
4920-01-046-1843INTERCHANGEABLE
MASK,BLADE SHOT PEEN
5069
5306-01-154-5253INTERCHANGEABLE
BOLT,MACHINE
5069
5330-01-261-5626INTERCHANGEABLE
GASKET
2912814-1
5110-01-274-9919INTERCHANGEABLE
KNIFE,POCKET
5365-01-333-3825INTERCHANGEABLE
SHIM
005069
6150-01-421-3520INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
5069
5895-01-599-7308INTERCHANGEABLE
COMMAND SYSTEM,TACTICAL
5069

Frequently Asked Questions

What is NSN 4730-01-009-4818?

NSN 4730-01-009-4818 is a Adapter,straight,pipe to Tube, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-009-4818?

NSN 4730-01-009-4818 has 2 cross-referenced part numbers: 50-69 (Ashcroft Inc Dba Heise), 69 (Ashcroft Inc Dba Heise).

What NSN replaces 4730-01-009-4818?

There are 12 known substitutes for 4730-01-009-4818: 5935-00-105-5434, 5935-00-156-0784, 2915-00-604-6464 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 69?

Key specifications for 69: Thread Series Designator: UN FIRST END; Nominal Thread Size: 0.500 INCHES SECOND END IN; Thread Series Designator: NPT SECOND END; Thread Class: 2A FIRST END A. 15 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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