PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H863-8-SUnion,tube

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4730-01-161-1225 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-161-1225 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-161-1225. Primary manufacturer part number: H863-8-S.
Features
  • Union,tube — FSC 4730
  • Connection Style: PLAIN (TUBE) SECOND END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Media for Which Designed: FLUID FIRST RESPONSE
  • Seat Type: GASKET
  • Material: STEEL COMP 1018 BODY
  • Connection Type: UNTHREADED EXTERNAL TUBE SECOND END
  • Reducer Type: CONCENTRIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 1018 Body construction
General Description

The Union,tube, cataloged under National Stock Number 4730-01-161-1225, 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 Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-161-1225
Primary Part NumberH863-8-S
Item NameUnion,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Connection StylePLAIN (TUBE) SECOND END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Media for Which DesignedFLUID FIRST RESPONSE
Seat TypeGASKET
MaterialSTEEL COMP 1018 BODY
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Reducer TypeCONCENTRIC
Style DesignatorUNTHREADED
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL COMP 1117 NUT
Nominal Overall Length1.938 INCHES IN
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Coupling Flange ShapeHEXAGON
Maximum Operating Temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StyleSOCKET (TUBE) FIRST END
Media for Which DesignedAIR SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-469-496610280876-2 INTERCHANGEABLE
Shielding Gasket,electronic
Us Army Aviation and Missile Command
5950-01-069-6083 INTERCHANGEABLE
Transformer,radio Frequency
Cross-Reference Index
Part NumberManufacturer
H863-8-S PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
8306-8 Hydrasearch Company, Llc (USA)
268L67316-M00 Johnson Controls Ltd, York Navy Systems (GBR)
Related Parts
5999-00-469-4966INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
10280876-2
5950-01-069-6083INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 4730-01-161-1225?

NSN 4730-01-161-1225 is a Union,tube, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-161-1225?

NSN 4730-01-161-1225 has 3 cross-referenced part numbers: H863-8-S (Admiral Valve Llc Dba Cpv Manufacturing), 8306-8 (Hydrasearch Company, Llc), 268L67316-M00 (Johnson Controls Ltd, York Navy Systems).

What NSN replaces 4730-01-161-1225?

There are 2 known substitutes for 4730-01-161-1225: 5999-00-469-4966, 5950-01-069-6083. Verify interchangeability with system specifications before substitution.

What are the specifications of H863-8-S?

Key specifications for H863-8-S: Connection Style: PLAIN (TUBE) SECOND END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Media for Which Designed: FLUID FIRST RESPONSE; Seat Type: GASKET. 17 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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