PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST7M286-4DNipple,tube

The Boeing Company Div Defense · NSN 4730-01-386-3314 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-386-3314 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-386-3314. Primary manufacturer part number: ST7M286-4D.
Features
  • Nipple,tube — FSC 4730
  • Style Designator: FLARED W/ BULKHEAD THREAD
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Seat Angle: 37.0 DEGREES ALL ENDS
  • Nominal Thread Size: 0.438 INCHES FIRST END BULKHEAD IN
  • Surface Treatment: ANODIZE OVERALL
  • Thread Class: 2A ALL ENDS A
  • Nominal Overall Length: 2.950 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Nipple,tube, cataloged under National Stock Number 4730-01-386-3314, 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 The Boeing Company Div Defense. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-386-3314
Primary Part NumberST7M286-4D
Item NameNipple,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Style DesignatorFLARED W/ BULKHEAD THREAD
Connection StyleFLARED (TUBE) ALL ENDS
Seat Angle37.0 DEGREES ALL ENDS
Nominal Thread Size0.438 INCHES FIRST END BULKHEAD IN
Surface TreatmentANODIZE OVERALL
Thread Class2A ALL ENDS A
Nominal Overall Length2.950 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationMIL-A-8625, TY II MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF ALL ENDS
Thread Series DesignatorUNF FIRST END BULKHEAD
Nominal Thread Size0.438 INCHES ALL ENDS IN
MaterialALUMINUM ALLOY 2024 OVERALL
Thread Class2A FIRST END BULKHEAD A
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-306-7431110-145-1 INTERCHANGEABLE
Nipple,tube
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
ST7M286 The Boeing Company Div Defense (USA)
ST7M286-4D PRIMARY The Boeing Company Div Defense (USA)
Related Parts
4730-00-306-7431INTERCHANGEABLE
NIPPLE,TUBE
110-145-1

Frequently Asked Questions

What is NSN 4730-01-386-3314?

NSN 4730-01-386-3314 is a Nipple,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-386-3314?

NSN 4730-01-386-3314 has 2 cross-referenced part numbers: ST7M286 (The Boeing Company Div Defense), ST7M286-4D (The Boeing Company Div Defense).

What NSN replaces 4730-01-386-3314?

There is 1 known substitute for 4730-01-386-3314: 4730-00-306-7431. Verify interchangeability with system specifications before substitution.

What are the specifications of ST7M286-4D?

Key specifications for ST7M286-4D: Style Designator: FLARED W/ BULKHEAD THREAD; Connection Style: FLARED (TUBE) ALL ENDS; Seat Angle: 37.0 DEGREES ALL ENDS; Nominal Thread Size: 0.438 INCHES FIRST END BULKHEAD IN. 16 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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