PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

816-12DAdapter,straight,tube to Hose

Aeronautical Machinery Corp · NSN 4730-00-541-1957 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-1957 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-1957. Primary manufacturer part number: 816-12D.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Connection Style: GRIPPING (HOSE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Furnished Items and Quantity: 1 HOSE SOCKET
  • Specification/standard Data: 81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION
  • Connection Type: THREADED EXTERNAL HOSE GRIPPING SECOND END
  • Nominal Overall Length: 2.297 INCHES IN
  • Surface Treatment: ANODIZE OUTSIDE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-541-1957, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN4730-00-541-1957
Primary Part Number816-12D
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAeronautical Machinery Corp
StatusCANCELLED
Connection StyleGRIPPING (HOSE) SECOND END
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Furnished Items and Quantity1 HOSE SOCKET
Specification/standard Data81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Nominal Overall Length2.297 INCHES IN
Surface TreatmentANODIZE OUTSIDE
Seat Angle37.0 DEGREES FIRST END
Thread Class3B FIRST END
Nominal Thread Size1.062 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Surface TreatmentANODIZE INSIDE
Thread Series DesignatorUN FIRST END
MaterialALUMINUM ALLOY OVERALL
Thread Quantity Per Inch12 FIRST END
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Nominal Inside Diameter Hose Accommodated0.688 INCHES SECOND END IN
Nominal Outside Diameter Hose Accommodated0.938 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
4730-00-618-7378 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
4730-00-834-5456 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-303-5932 INTERCHANGEABLE
Adapter,straight,tube to Hose
4730-01-315-7614 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
816-12D Aeronautical Machinery Corp (USA)
676-12D Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
816-12D Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
816-12D Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
M83798/1-12 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS87018-12 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-83798 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
816-12D Danfoss Power Solutions II, Llc (USA)
MIL-DTL-83798/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
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
4730-00-618-7378INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-632-2002INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-720-1171INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-00-834-5456INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-303-5932INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-315-7614INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-328-4026INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5120-01-335-1090INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 4730-00-541-1957?

NSN 4730-00-541-1957 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 4730-00-541-1957?

NSN 4730-00-541-1957 has 9 cross-referenced part numbers: 816-12D (Aeronautical Machinery Corp), 676-12D (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 816-12D (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 816-12D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), M83798/1-12 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4730-00-541-1957?

There are 12 known substitutes for 4730-00-541-1957: 4730-00-585-6210, 4730-00-585-6212, 4730-00-585-7496 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 816-12D?

Key specifications for 816-12D: Connection Style: GRIPPING (HOSE) SECOND END; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN; Furnished Items and Quantity: 1 HOSE SOCKET; Specification/standard Data: 81349-MIL-DTL-83798 GOVERNMENT SPECIFICATION. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-541-1957 still in active supply?

NSN 4730-00-541-1957 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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