PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

945-5-4Adapter,straight,tube to Hose

Mid-State Sales, Inc. Div Defense Products Group · NSN 4730-00-055-8726 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-055-8726 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-055-8726. Primary manufacturer part number: 945-5-4.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN
  • Material: COPPER ALLOY OVERALL
  • Seat Angle: 45.0 DEGREES FIRST END
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Thread Series Designator: UNF FIRST END
  • Nominal Overall Length: 1.625 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-055-8726, 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 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-055-8726
Primary Part Number945-5-4
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMid-State Sales, Inc. Div Defense Products Group
StatusCANCELLED
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Seat Angle45.0 DEGREES FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Nominal Overall Length1.625 INCHES IN
Connection StyleFLARED (TUBE) FIRST END
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Thread Class3A FIRST END A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4730-00-051-4684 INTERCHANGEABLE
Fitting,hose
7045-01-515-5375 INTERCHANGEABLE
Disk,nonflexible
1005-01-609-716094554 INTERCHANGEABLE
Bracket,mounting
Naval Surface Warfare Center Dahlgren Div
Cross-Reference Index
Part NumberManufacturer
KA04-05MS Imperial (USA)
945-5-4 PRIMARY Mid-State Sales, Inc. Div Defense Products Group (USA)
Related Parts
4730-00-051-4684INTERCHANGEABLE
FITTING,HOSE
7045-01-515-5375INTERCHANGEABLE
DISK,NONFLEXIBLE
1005-01-609-7160INTERCHANGEABLE
BRACKET,MOUNTING
94554

Frequently Asked Questions

What is NSN 4730-00-055-8726?

NSN 4730-00-055-8726 is a Adapter,straight,tube to Hose, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-055-8726?

NSN 4730-00-055-8726 has 2 cross-referenced part numbers: KA04-05MS (Imperial), 945-5-4 (Mid-State Sales, Inc. Div Defense Products Group).

What NSN replaces 4730-00-055-8726?

There are 3 known substitutes for 4730-00-055-8726: 4730-00-051-4684, 7045-01-515-5375, 1005-01-609-7160. Verify interchangeability with system specifications before substitution.

What are the specifications of 945-5-4?

Key specifications for 945-5-4: Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN; Material: COPPER ALLOY OVERALL; Seat Angle: 45.0 DEGREES FIRST END. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-055-8726 still in active supply?

NSN 4730-00-055-8726 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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