PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

816-4Adapter,straight,tube to Hose

Aeronautical Machinery Corp · NSN 4730-00-618-7378 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-618-7378 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-618-7378. Primary manufacturer part number: 816-4.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Furnished Items and Quantity: 1 HOSE COUPLING NUT
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Thread Series Designator: UNF FIRST END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Outside Diameter Hose Accommodated: 0.438 INCHES SECOND END IN
  • Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-618-7378, 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 Aeronautical Machinery Corp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-618-7378
Primary Part Number816-4
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Machinery Corp
StatusCANCELLED
Furnished Items and Quantity1 HOSE COUPLING NUT
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Thread Series DesignatorUNF FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Outside Diameter Hose Accommodated0.438 INCHES SECOND END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Nominal Thread Size0.438 INCHES FIRST END IN
Nominal Overall Length1.730 INCHES IN
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Operating Pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED INTERNAL TUBE FIRST END
Maximum Operating Temp121.0 CELSIUS SECOND RESPONSE DEGC
Surface TreatmentCADMIUM OVERALL
Maximum Operating Temp-54.0 CELSIUS FIRST RESPONSE DEGC
Thread Class3B FIRST END
Nominal Inside Diameter Hose Accommodated0.219 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-129-3079SCB35275 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-263-30256764 INTERCHANGEABLE
Cock,plug
Danfoss Power Solutions II, Llc
4730-00-274-5828 INTERCHANGEABLE
Clamp,hose
4730-00-541-1957 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-6210 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-6212 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-585-7496 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-613-1859 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-632-2002 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-00-720-1171 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
816-4 Aeronautical Machinery Corp (USA)
136-1000-4 Hydrasearch Company, Llc (USA)
816-4 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
M83798/1-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-83798/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
676-4S Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
136-1000-4 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
816-4 Danfoss Power Solutions II, Llc (USA)
816-4 Eversharp Pen Company (USA)
MIL-F-83798/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
676-4 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
5935-00-129-3079INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
SCB35275
4820-00-263-3025INTERCHANGEABLE
COCK,PLUG
6764
4730-00-274-5828INTERCHANGEABLE
CLAMP,HOSE
4730-00-541-1957INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-6210INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-6212INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-585-7496INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-613-1859INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-632-2002INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-720-1171INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5940-00-751-1010INTERCHANGEABLE
TERMINAL,LUG
485718-1
4720-00-803-7157INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 4730-00-618-7378?

NSN 4730-00-618-7378 is a Adapter,straight,tube to Hose, manufactured by Aeronautical Machinery Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-618-7378?

NSN 4730-00-618-7378 has 11 cross-referenced part numbers: 816-4 (Aeronautical Machinery Corp), 136-1000-4 (Hydrasearch Company, Llc), 816-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), M83798/1-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-83798/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 4730-00-618-7378?

There are 12 known substitutes for 4730-00-618-7378: 5935-00-129-3079, 4820-00-263-3025, 4730-00-274-5828 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 816-4?

Key specifications for 816-4: Furnished Items and Quantity: 1 HOSE COUPLING NUT; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 1010 OVERALL; Thread Series Designator: UNF FIRST END. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-618-7378 still in active supply?

NSN 4730-00-618-7378 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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