PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S0254R6Seal,conical,flared Tube Fitting

The Boeing Company · NSN 4730-01-267-1397 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-267-1397 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-267-1397. Primary manufacturer part number: S0254R6.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Fluid conveyance
  • Hydraulic system plumbing
General Description

The Seal,conical,flared Tube Fitting, cataloged under National Stock Number 4730-01-267-1397, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersThe Boeing Company Div Defense (CAGE 76301); The Boeing Company (CAGE 18355)
Technical Specifications
ParameterValue
NSN4730-01-267-1397
Primary Part NumberS0254R6
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-630-4687 INTERCHANGEABLE
Spring,helical,compression
5310-00-675-7246368424 INTERCHANGEABLE
Nut,dee Offset
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-00-764-7546DY90-C-32L INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Del Aerospace Inc Dba Del Aerospace Inc
4730-00-789-4386966216-106 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Raytheon Company Dba Raytheon
4730-00-871-13397M27A4 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company Div Defense
4730-00-936-5186S0254A8 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company
4730-01-269-8096S0254R8 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
S0254 The Boeing Company Div Defense (USA)
S0254R6 PRIMARY The Boeing Company (USA)
Related Parts
5360-00-630-4687INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5310-00-675-7246INTERCHANGEABLE
NUT,DEE OFFSET
368424
4730-00-764-7546INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
DY90-C-32L
4730-00-789-4386INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
966216-106
4730-00-871-1339INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7M27A4
4730-00-936-5186INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
S0254A8
4730-01-269-8096INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
S0254R8

Frequently Asked Questions

What is NSN 4730-01-267-1397?

NSN 4730-01-267-1397 is a Seal,conical,flared Tube Fitting, manufactured by The Boeing Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-267-1397?

NSN 4730-01-267-1397 has 2 cross-referenced part numbers: S0254 (The Boeing Company Div Defense), S0254R6 (The Boeing Company).

What NSN replaces 4730-01-267-1397?

There are 7 known substitutes for 4730-01-267-1397: 5360-00-630-4687, 5310-00-675-7246, 4730-00-764-7546 and 4 more. Verify interchangeability with system specifications before substitution.

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