PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SEC07C4Seal,conical,flared Tube Fitting

Seco Seals, Inc · NSN 4730-00-839-1720 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-839-1720 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-839-1720. Primary manufacturer part number: SEC07C4.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • 15 verified cross-references
  • Primary manufacturer: Seco Seals, 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 4730-00-839-1720, 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 Seco Seals, 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: Cancelled.

Catalog Facts
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersSeco Seals, Inc (CAGE 33447); Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (CAGE 66776); Us Army Aviation and Missile Command (CAGE 18876); Sps Technologies, Llc Dba Airdrome Precision Components (CAGE 01673); Howmet Global Fastening Systems Inc Div Rosan Products (CAGE 83324)
Technical Specifications
ParameterValue
NSN4730-00-839-1720
Primary Part NumberSEC07C4
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSeco Seals, Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-436-196210630103-85 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Us Army Aviation and Missile Command
4730-00-445-3903DY90-C-4 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Del Aerospace Inc Dba Del Aerospace Inc
4730-00-998-737210231502 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Us Army Aviation and Missile Command
4730-01-090-7579GS570AB-C4 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Northrop Grumman Systems Corporation
4730-01-133-6599AS3282-03 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Sae International Dba Sae International
4730-01-485-66287283842-001 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
SEC07C4 PRIMARY Seco Seals, Inc (USA)
VSF1015C4BX PRIMARY Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA)
10158973-1 Us Army Aviation and Missile Command (USA)
AP100C-04 PRIMARY Sps Technologies, Llc Dba Airdrome Precision Components (USA)
VSF1015C4B Howmet Global Fastening Systems Inc Div Rosan Products (USA)
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
VSF1015C4B Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
7C4 Seco Seals, Inc (USA)
VSF1015C4B Fairchild Fasteners Europe - Vsd Gmbh (DEU)
GS570AB Northrop Grumman Systems Corporation (USA)
DY90-C-4 Del Aerospace Inc Dba Del Aerospace Inc (USA)
GS570AB-C4 Smith-Lee Co Inc (USA)
VSF1015C4BX Howmet Global Fastening Systems Inc Div Rosan Products (USA)
DY90-4C Del Mfg Co (USA)
AP100C4 Sps Technologies, Llc Dba Airdrome Precision Components (USA)
Related Parts
4730-00-436-1962INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
10630103-85
4730-00-445-3903INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
DY90-C-4
4730-00-998-7372INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
10231502
4730-01-090-7579INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
GS570AB-C4
4730-01-133-6599INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
AS3282-03
4730-01-485-6628INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7283842-001

Frequently Asked Questions

What is NSN 4730-00-839-1720?

NSN 4730-00-839-1720 is a Seal,conical,flared Tube Fitting, manufactured by Seco Seals, Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-839-1720?

NSN 4730-00-839-1720 has 15 cross-referenced part numbers: SEC07C4 (Seco Seals, Inc), VSF1015C4BX (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products), 10158973-1 (Us Army Aviation and Missile Command), AP100C-04 (Sps Technologies, Llc Dba Airdrome Precision Components), VSF1015C4B (Howmet Global Fastening Systems Inc Div Rosan Products) and 10 more.

What NSN replaces 4730-00-839-1720?

There are 6 known substitutes for 4730-00-839-1720: 4730-00-436-1962, 4730-00-445-3903, 4730-00-998-7372 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-839-1720 still in active supply?

NSN 4730-00-839-1720 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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