PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DY90-A-16LSeal,conical,flared Tube Fitting

Del Aerospace Inc Dba Del Aerospace Inc · NSN 4730-00-606-1716 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-606-1716 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-606-1716. Primary manufacturer part number: DY90-A-16L.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • 15 verified cross-references
  • Primary manufacturer: Del Aerospace Inc Dba Del Aerospace Inc
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 4730-00-606-1716, 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 Del Aerospace Inc Dba Del Aerospace Inc. This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 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)
ManufacturersHowmet Global Fastening Systems Inc Div Torrance Operations (CAGE 92215); Del Aerospace Inc Dba Del Aerospace Inc (CAGE 64162); Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 38597); Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (CAGE 14798); Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (CAGE 82402)
Technical Specifications
ParameterValue
NSN4730-00-606-1716
Primary Part NumberDY90-A-16L
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDel Aerospace Inc Dba Del Aerospace Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-779-06197827256-43 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
4730-00-871-13397M27A4 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company Div Defense
4730-00-871-1340SEC027A6 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Seco Seals, Inc
4730-00-907-40857827256-15 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
4730-01-248-5270VSF1015A24 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Howmet Global Fastening Systems Inc Div Rosan / Eagle Products
4730-01-250-2000AS48424A05 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
VSF1015A16 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
DY90-A-16L PRIMARY Del Aerospace Inc Dba Del Aerospace Inc (USA)
55E211 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
DY90-A-16L Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
44300-550-5 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
VSF1015A16 PRIMARY Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA)
7M27A16 PRIMARY The Boeing Company Div Defense (USA)
55E211-D16 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
44300-550-5 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
VSF1015A16 Howmet Global Fastening Systems Inc Div Rosan Products (USA)
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
55E211-D16 Lockheed Martin Corp (USA)
44300-550 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
DY90-A-16L PRIMARY Dutch Valley Supply Co. (USA)
VSF1015 Howmet Global Fastening Systems Inc Div Rosan Products (USA)
Related Parts
4730-00-779-0619INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-43
4730-00-871-1339INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7M27A4
4730-00-871-1340INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
SEC027A6
4730-00-907-4085INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-15
4730-01-248-5270INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
VSF1015A24
4730-01-250-2000INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
AS48424A05

Frequently Asked Questions

What is NSN 4730-00-606-1716?

NSN 4730-00-606-1716 is a Seal,conical,flared Tube Fitting, manufactured by Del Aerospace Inc Dba Del Aerospace Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-606-1716?

NSN 4730-00-606-1716 has 15 cross-referenced part numbers: VSF1015A16 (Howmet Global Fastening Systems Inc Div Torrance Operations), DY90-A-16L (Del Aerospace Inc Dba Del Aerospace Inc), 55E211 (Lockheed Martin Corporation Div Rotary and Mission Systems), DY90-A-16L (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), 44300-550-5 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc) and 10 more.

What NSN replaces 4730-00-606-1716?

There are 6 known substitutes for 4730-00-606-1716: 4730-00-779-0619, 4730-00-871-1339, 4730-00-871-1340 and 3 more. Verify interchangeability with system specifications before substitution.

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