PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SECO7A8LSeal,conical,flared Tube Fitting

Seco Seals, Inc · NSN 4730-00-907-4085 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-907-4085 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-907-4085. Primary manufacturer part number: SECO7A8L.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • Hose/tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN
  • Criticality Code Justification: FEAT
  • Material: ALUMINUM ALLOY 1100
  • Style Designator: SEAL
  • Seat Angle in Deg: 37.0
  • Casehardening Indicator: NOT CASEHARDENED
  • Wall Thickness: 0.010 INCHES NOMINAL IN
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 4730-00-907-4085, 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. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-907-4085
Primary Part NumberSECO7A8L
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSeco Seals, Inc
StatusCANCELLED
Hose/tube Outside Diameter for Which Designed0.500 INCHES NOMINAL IN
Criticality Code JustificationFEAT
MaterialALUMINUM ALLOY 1100
Style DesignatorSEAL
Seat Angle in Deg37.0
Casehardening IndicatorNOT CASEHARDENED
Wall Thickness0.010 INCHES NOMINAL IN
Body Length0.095 INCHES NOMINAL IN
Outside Diameter0.674 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-114-3801 INTERCHANGEABLE
Electron Tube
4730-00-606-17167M27A16 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
The Boeing Company Div Defense
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
4730-01-070-31027827256-35 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
4730-01-070-31037827256-11 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
4730-01-070-35077827256-25 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
4730-01-070-83447827256-31 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
4730-01-070-8582DY90-A-28 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Del Aerospace Inc Dba Del Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
55E211-D8 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
10630103-13 Ballistic Missile Defense Systems Command (USA)
SECO7A8L PRIMARY Seco Seals, Inc (USA)
55E211 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
VSF1015A8 Howmet Global Fastening Systems Inc Div Rosan Products (USA)
44300-550-6 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
VSF1015A8 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
44300-550-6 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
7827256 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
7827256-15 PRIMARY Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
DY90-A-8L Esco Inc (USA)
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
55E211-D8 Lockheed Martin Corp (USA)
7A8 Seco Seals, Inc (USA)
SEC07A8 Seco Seals, Inc (USA)
VSF1015A8B Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
DY90-A-8L PRIMARY Del Aerospace Inc Dba Del Aerospace Inc (USA)
Related Parts
5960-00-114-3801INTERCHANGEABLE
ELECTRON TUBE
4730-00-606-1716INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7M27A16
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
4730-01-070-3102INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-35
4730-01-070-3103INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-11
4730-01-070-3507INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-25
4730-01-070-8344INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-31
4730-01-070-8582INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
DY90-A-28
4730-01-070-9889INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-27
5330-01-075-2016INTERCHANGEABLE
SEAL,SPECIAL
VSF 1015A8B

Frequently Asked Questions

What is NSN 4730-00-907-4085?

NSN 4730-00-907-4085 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 4730-00-907-4085?

NSN 4730-00-907-4085 has 17 cross-referenced part numbers: 55E211-D8 (Lockheed Martin Corporation Div Rotary and Mission Systems), 10630103-13 (Ballistic Missile Defense Systems Command), SECO7A8L (Seco Seals, Inc), 55E211 (Lockheed Martin Corporation Div Rotary and Mission Systems), VSF1015A8 (Howmet Global Fastening Systems Inc Div Rosan Products) and 12 more.

What NSN replaces 4730-00-907-4085?

There are 12 known substitutes for 4730-00-907-4085: 5960-00-114-3801, 4730-00-606-1716, 4730-00-779-0619 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SECO7A8L?

Key specifications for SECO7A8L: Hose/tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Material: ALUMINUM ALLOY 1100; Special Features: CLEANED FOR LOX SERVICE; WEAPON SYSTEM ESSENTIAL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-907-4085 still in active supply?

NSN 4730-00-907-4085 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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