PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7827256-27Seal,conical,flared Tube Fitting

Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force · NSN 4730-01-070-9889 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-070-9889 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-070-9889. Primary manufacturer part number: 7827256-27.
Features
  • Seal,conical,flared Tube Fitting — FSC 4730
  • Seat Angle in Deg: 37.0
  • Outside Diameter: 1.090 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN
  • Hose/tube Outside Diameter for Which Designed: 0.875 INCHES NOMINAL IN
  • Body Length: 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
  • Style Designator: SEAL
  • Material Document and Classification: QQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
  • Material: ALUMINUM ALLOY 1100
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 4730-01-070-9889, 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 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-070-9889
Primary Part Number7827256-27
Item NameSeal,conical,flared Tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAir Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
StatusACTIVE
Seat Angle in Deg37.0
Outside Diameter1.090 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN
Hose/tube Outside Diameter for Which Designed0.875 INCHES NOMINAL IN
Body Length0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Style DesignatorSEAL
Material Document and ClassificationQQ-A-250/1,O FED SPEC 1ST MATERIAL RESPONSE OR AMS 4001 ASSN STD 2ND MATERIAL RESPONSE
MaterialALUMINUM ALLOY 1100
Wall Thickness0.010 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6625-00-488-94027A14 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
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
4730-01-070-8582DY90-A-28 INTERCHANGEABLE
Seal,conical,flared Tube Fitting
Del Aerospace Inc Dba Del Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
7A14 Seco Seals, Inc (USA)
SECO7A14X Seco Seals, Inc (USA)
DAY90 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)
DY90-A-14 Del Aerospace Inc Dba Del Aerospace Inc (USA)
7827256-27 PRIMARY Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
SEC07A14 Seco Seals, Inc (USA)
Related Parts
6625-00-488-9402INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
7A14
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
4730-01-070-8582INTERCHANGEABLE
SEAL,CONICAL,FLARED TUBE FITTING
DY90-A-28

Frequently Asked Questions

What is NSN 4730-01-070-9889?

NSN 4730-01-070-9889 is a Seal,conical,flared Tube Fitting, manufactured by Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-070-9889?

NSN 4730-01-070-9889 has 7 cross-referenced part numbers: 7A14 (Seco Seals, Inc), SECO7A14X (Seco Seals, Inc), DAY90 (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), DY90-A-14 (Del Aerospace Inc Dba Del Aerospace Inc) and 2 more.

What NSN replaces 4730-01-070-9889?

There are 8 known substitutes for 4730-01-070-9889: 6625-00-488-9402, 4730-00-779-0619, 4730-00-907-4085 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7827256-27?

Key specifications for 7827256-27: Seat Angle in Deg: 37.0; End Item Identification: AIRCRAFT, STRATOFORTRESS B-52; Outside Diameter: 1.090 INCHES MINIMUM AND 1.095 INCHES MAXIMUM IN; Special Features: NOT LOX CLEANED. 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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