PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

244-4Adapter,straight,tube to Boss

King Nutronics Corporation Dba King Nutronics · NSN 4730-00-629-2851 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-629-2851 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-629-2851. Primary manufacturer part number: 244-4.
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Nominal Thread Size: 0.438 INCHES SECOND END IN
  • Thread Series Designator: UNF SECOND END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Surface Treatment: PASSIVATE OVERALL
  • Nominal Overall Length: 2.000 INCHES IN
  • Thread Series Designator: UNF FIRST END
  • Thread Class: 3A SECOND END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-629-2851, 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 King Nutronics Corporation Dba King Nutronics. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-629-2851
Primary Part Number244-4
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKing Nutronics Corporation Dba King Nutronics
StatusACTIVE
Nominal Thread Size0.438 INCHES SECOND END IN
Thread Series DesignatorUNF SECOND END
Nominal Thread Size0.562 INCHES FIRST END IN
Surface TreatmentPASSIVATE OVERALL
Nominal Overall Length2.000 INCHES IN
Thread Series DesignatorUNF FIRST END
Thread Class3A SECOND END A
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class3A FIRST END A
Connection StyleFLARED W/ GASKET SEAL (BOSS) SECOND END
Seat Angle37.0 DEGREES FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Material Document and ClassificationMIL-S-772D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Connection StyleFLARED (TUBE) FIRST END
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-179-2883 INTERCHANGEABLE
Terminal,lug
6810-00-227-0411 INTERCHANGEABLE
Magnesium Chloride,hexahydrate
2825-00-388-12082444 INTERCHANGEABLE
Liner Assembly,bear
Northrop Grumman Systems Corporation Div Marine Systems
6515-00-532-83842134 INTERCHANGEABLE
Syringe,hypodermic
Becton, Dickinson and Co Dba Becton Dickinson & Co
5835-00-642-78912444 INTERCHANGEABLE
Arm,sound Reproducer
U S Recording Co, Inc
4510-00-761-25992444 INTERCHANGEABLE
Pump
Mag Aerospace Industries, Llc Div Safran Cabins
1650-00-897-54052436 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5950-00-903-73862-444 INTERCHANGEABLE
Transformer,power Autotransforme
Eldec Aerospace Corp
5910-00-958-50282444 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Ballantine Laboratories Inc
5985-01-081-8450TRM-2444-F0-SMA-02 INTERCHANGEABLE
Dummy Load,electrical
Cinch Connectivity Solutions Inc
Cross-Reference Index
Part NumberManufacturer
244 King Nutronics Corporation Dba King Nutronics (USA)
244-4 PRIMARY King Nutronics Corporation Dba King Nutronics (USA)
Related Parts
5940-00-179-2883INTERCHANGEABLE
TERMINAL,LUG
6810-00-227-0411INTERCHANGEABLE
MAGNESIUM CHLORIDE,HEXAHYDRATE
2825-00-388-1208INTERCHANGEABLE
LINER ASSEMBLY,BEAR
2444
6515-00-532-8384INTERCHANGEABLE
SYRINGE,HYPODERMIC
2134
5835-00-642-7891INTERCHANGEABLE
ARM,SOUND REPRODUCER
2444
4510-00-761-2599INTERCHANGEABLE
PUMP
2444
1650-00-897-5405INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
2436
5950-00-903-7386INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
2-444
5910-00-958-5028INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
2444
5985-01-081-8450INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
TRM-2444-F0-SMA-02
6680-01-127-7863INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2444-034
6680-01-129-3843INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
TMS-9627

Frequently Asked Questions

What is NSN 4730-00-629-2851?

NSN 4730-00-629-2851 is a Adapter,straight,tube to Boss, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-629-2851?

NSN 4730-00-629-2851 has 2 cross-referenced part numbers: 244 (King Nutronics Corporation Dba King Nutronics), 244-4 (King Nutronics Corporation Dba King Nutronics).

What NSN replaces 4730-00-629-2851?

There are 12 known substitutes for 4730-00-629-2851: 5940-00-179-2883, 6810-00-227-0411, 2825-00-388-1208 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 244-4?

Key specifications for 244-4: Nominal Thread Size: 0.438 INCHES SECOND END IN; Thread Series Designator: UNF SECOND END; Nominal Thread Size: 0.562 INCHES FIRST END IN; Surface Treatment: PASSIVATE OVERALL. 17 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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