PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139-76Adapter,straight,pipe to Hose

Mid-State Sales, Inc. Div Defense Products Group · NSN 4730-00-270-3994 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-3994 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-3994. Primary manufacturer part number: 139-76.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Departure From Cited Designator: AS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Nominal Inside Diameter Hose Accommodated: 0.438 INCHES SECOND END IN
  • Nominal Thread Size: 0.375 INCHES FIRST END IN
  • Material: COPPER ALLOY OVERALL
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Connection Style: BARBED OR BEADED (HOSE) SECOND END
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 4730-00-270-3994, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-270-3994
Primary Part Number139-76
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMid-State Sales, Inc. Div Defense Products Group
StatusACTIVE
Departure From Cited DesignatorAS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR
Media for Which DesignedAIR SINGLE RESPONSE
Nominal Inside Diameter Hose Accommodated0.438 INCHES SECOND END IN
Nominal Thread Size0.375 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Overall Length3.062 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Nominal Pipe Size Accommodated0.375 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5895-01-148-5715143386-0002 INTERCHANGEABLE
Control,indicator
Bae Systems Information & Electronic Systems Integration Inc.
3110-01-172-87787-113100066 INTERCHANGEABLE
Bearing,roller,cylindrical
Mpb Corporation Dba Mpb Corp
5950-01-211-629913976 INTERCHANGEABLE
Reactor
Magnespec Inc
4140-01-362-2959ORB-191 INTERCHANGEABLE
Fan,centrifugal
Ammerman Co Inc
2040-01-730-372813976 INTERCHANGEABLE
Lining,friction
Cepeda Associates, Inc. Dba Cepeda Associates Inc
Cross-Reference Index
Part NumberManufacturer
1433-8-6 Mindeco Corp (USA)
139-76 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
WWC631PC2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5895-01-148-5715INTERCHANGEABLE
CONTROL,INDICATOR
143386-0002
3110-01-172-8778INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
7-113100066
5950-01-211-6299INTERCHANGEABLE
REACTOR
13976
4140-01-362-2959INTERCHANGEABLE
FAN,CENTRIFUGAL
ORB-191
2040-01-730-3728INTERCHANGEABLE
LINING,FRICTION
13976

Frequently Asked Questions

What is NSN 4730-00-270-3994?

NSN 4730-00-270-3994 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 4730-00-270-3994?

NSN 4730-00-270-3994 has 3 cross-referenced part numbers: 1433-8-6 (Mindeco Corp), 139-76 (Mid-State Sales, Inc. Div Defense Products Group), WWC631PC2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4730-00-270-3994?

There are 5 known substitutes for 4730-00-270-3994: 5895-01-148-5715, 3110-01-172-8778, 5950-01-211-6299 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139-76?

Key specifications for 139-76: Departure From Cited Designator: AS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR; Media for Which Designed: AIR SINGLE RESPONSE; Nominal Inside Diameter Hose Accommodated: 0.438 INCHES SECOND END IN; Nominal Thread Size: 0.375 INCHES FIRST END IN. 14 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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