PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139-88Adapter,straight,pipe to Hose

Mid-State Sales, Inc. Div Defense Products Group · NSN 4730-01-300-9023 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-300-9023 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-300-9023. Primary manufacturer part number: 139-88.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Nominal Overall Length: 1.870 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Thread Series Designator: NPTF FIRST END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Connection Style: BARBED OR BEADED (HOSE) SECOND END
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • 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 Hose, cataloged under National Stock Number 4730-01-300-9023, 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 Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN4730-01-300-9023
Primary Part Number139-88
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMid-State Sales, Inc. Div Defense Products Group
StatusACTIVE
Nominal Overall Length1.870 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPTF FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
MaterialCOPPER ALLOY OVERALL
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Nominal Inside Diameter Hose Accommodated0.500 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-134-955713988 INTERCHANGEABLE
Reactor
Vanguard Electronics, Llc
4730-00-465-5928125HBL-8-8 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Parker-Hannifin Corp Div Fluid System Connector Division
5330-00-574-1008 INTERCHANGEABLE
Gasket
5307-00-637-085613988 INTERCHANGEABLE
Stud,shouldered
Budd Co the
2530-00-848-3276 INTERCHANGEABLE
Stud,hub
6210-01-271-752113988 INTERCHANGEABLE
Filter,indicator Light
Aerosonic Llc
4730-01-301-4255 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4730-01-301-4257 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4730-01-302-3507 INTERCHANGEABLE
Adapter,straight,pipe to Hose
5950-01-351-1923G125737-2 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
1551AS652 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
139-88 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
1551AS652-7 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
KF08-08PS Imperial (USA)
Related Parts
5950-00-134-9557INTERCHANGEABLE
REACTOR
13988
4730-00-465-5928INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
125HBL-8-8
5330-00-574-1008INTERCHANGEABLE
GASKET
5307-00-637-0856INTERCHANGEABLE
STUD,SHOULDERED
13988
2530-00-848-3276INTERCHANGEABLE
STUD,HUB
6210-01-271-7521INTERCHANGEABLE
FILTER,INDICATOR LIGHT
13988
4730-01-301-4255INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4730-01-301-4257INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4730-01-302-3507INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
5950-01-351-1923INTERCHANGEABLE
REACTOR
G125737-2
6230-01-594-8594INTERCHANGEABLE
PROBE LIGHT KIT,INSPECTION
13988

Frequently Asked Questions

What is NSN 4730-01-300-9023?

NSN 4730-01-300-9023 is a Adapter,straight,pipe to Hose, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-300-9023?

NSN 4730-01-300-9023 has 4 cross-referenced part numbers: 1551AS652 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 139-88 (Mid-State Sales, Inc. Div Defense Products Group), 1551AS652-7 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), KF08-08PS (Imperial).

What NSN replaces 4730-01-300-9023?

There are 11 known substitutes for 4730-01-300-9023: 5950-00-134-9557, 4730-00-465-5928, 5330-00-574-1008 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139-88?

Key specifications for 139-88: Nominal Overall Length: 1.870 INCHES IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPTF FIRST END; Nominal Thread Size: 0.500 INCHES FIRST END IN. 11 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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