PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DY90-C-2Seal,conical,flared Tube Fitting

Del Aerospace Inc Dba Del Aerospace Inc · NSN 4730-00-497-5377 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-497-5377 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-497-5377. Primary manufacturer part number: DY90-C-2.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • 6 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 4730-00-497-5377, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 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)
ManufacturersDel Aerospace Inc Dba Del Aerospace Inc (CAGE 64162); Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673); Triumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN4730-00-497-5377
Primary Part NumberDY90-C-2
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 3
3030-00-826-5151A50 INTERCHANGEABLE
Belt,v
Goodrich Corporation
2940-00-860-9870CA240 INTERCHANGEABLE
Filter Element,intake Air Cleane
U S Dept of Transportation Federal Aviation Administration
4730-01-070-31027827256-35 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
Cross-Reference Index
Part NumberManufacturer
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
DY90-C-2 PRIMARY Del Aerospace Inc Dba Del Aerospace Inc (USA)
AP50 Sps Technologies, Llc Dba Airdrome Precision Components (USA)
AP50C-02 PRIMARY Sps Technologies, Llc Dba Airdrome Precision Components (USA)
89776149-5 Triumph Thermal Systems - Maryland, Inc. (USA)
AP50C2 Sps Technologies, Llc Dba Airdrome Precision Components (USA)
Related Parts
3030-00-826-5151INTERCHANGEABLE
BELT,V
A50
2940-00-860-9870INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
CA240
4730-01-070-3102INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-35

Frequently Asked Questions

What is NSN 4730-00-497-5377?

NSN 4730-00-497-5377 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 4730-00-497-5377?

NSN 4730-00-497-5377 has 6 cross-referenced part numbers: DY90 (Del Aerospace Inc Dba Del Aerospace Inc), DY90-C-2 (Del Aerospace Inc Dba Del Aerospace Inc), AP50 (Sps Technologies, Llc Dba Airdrome Precision Components), AP50C-02 (Sps Technologies, Llc Dba Airdrome Precision Components), 89776149-5 (Triumph Thermal Systems - Maryland, Inc.) and 1 more.

What NSN replaces 4730-00-497-5377?

There are 3 known substitutes for 4730-00-497-5377: 3030-00-826-5151, 2940-00-860-9870, 4730-01-070-3102. Verify interchangeability with system specifications before substitution.

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