PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SECO7A28XSeal,conical,flared Tube Fitting

Seco Seals, Inc · NSN 4730-01-070-8582 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-070-8582 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-070-8582. Primary manufacturer part number: SECO7A28X.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • Casehardening Indicator: NOT CASEHARDENED
  • Body Length: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
  • Outside Diameter: 2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN
  • Seat Angle in Deg: 37.0
  • Hose/tube Outside Diameter for Which Designed: 1.750 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 1100
  • Material Document and Classification: QQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
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 4730-01-070-8582, 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 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-070-8582
Primary Part NumberSECO7A28X
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSeco Seals, Inc
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Body Length0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Outside Diameter2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN
Seat Angle in Deg37.0
Hose/tube Outside Diameter for Which Designed1.750 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 1100
Material Document and ClassificationQQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
Style DesignatorSEAL
Wall Thickness0.010 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
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
4730-00-907-40857827256-15 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
4730-01-070-31027827256-35 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
4730-01-070-98897827256-27 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
SEC07A28 Seco Seals, Inc (USA)
DY90 Del Aerospace Inc Dba Del Aerospace Inc (USA)
7827256 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
7A28 Seco Seals, Inc (USA)
7827256-41 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
SECO7A28X PRIMARY Seco Seals, Inc (USA)
DY90-A-28 PRIMARY Mil-Craft Mfg., Inc. (USA)
DY90-A-28 PRIMARY Del Aerospace Inc Dba Del Aerospace Inc (USA)
Related Parts
4730-00-779-0619INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-43
4730-00-907-4085INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-15
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
4730-01-070-9889INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
7827256-27

Frequently Asked Questions

What is NSN 4730-01-070-8582?

NSN 4730-01-070-8582 is a Seal,conical,flared Tube Fitting, manufactured by Seco Seals, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-070-8582?

NSN 4730-01-070-8582 has 8 cross-referenced part numbers: SEC07A28 (Seco Seals, Inc), DY90 (Del Aerospace Inc Dba Del Aerospace Inc), 7827256 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 7A28 (Seco Seals, Inc), 7827256-41 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force) and 3 more.

What NSN replaces 4730-01-070-8582?

There are 7 known substitutes for 4730-01-070-8582: 4730-00-779-0619, 4730-00-907-4085, 4730-01-070-3102 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SECO7A28X?

Key specifications for SECO7A28X: Casehardening Indicator: NOT CASEHARDENED; End Item Identification: AIRCRAFT, STRATOFLEX C-135; B-52; Body Length: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Outside Diameter: 2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

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