PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H823-20-20-SSElbow,tube to Boss

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4730-01-150-0878 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-150-0878 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-150-0878. Primary manufacturer part number: H823-20-20-SS.
Features
  • Elbow,tube to Boss — FSC 4730
  • Leg Length: 2.188 INCHES NOMINAL SECOND END IN
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
  • Leg Length: 3.062 INCHES NOMINAL FIRST END IN
  • Flow Angle: 90.0 DEGREES
  • Thread Series Designator: UNF SECOND END
  • Nominal Outside Diameter Tube Accommodated: 1.250 INCHES FIRST END IN
  • Material: STEEL COMP 316 OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-150-0878, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-150-0878
Primary Part NumberH823-20-20-SS
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
Leg Length2.188 INCHES NOMINAL SECOND END IN
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Leg Length3.062 INCHES NOMINAL FIRST END IN
Flow Angle90.0 DEGREES
Thread Series DesignatorUNF SECOND END
Nominal Outside Diameter Tube Accommodated1.250 INCHES FIRST END IN
MaterialSTEEL COMP 316 OVERALL
Media for Which DesignedFLUID SINGLE RESPONSE
Nominal Thread Size1.625 INCHES SECOND END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Furnished Items and Quantity1 TUBE COUPLING NUT AND 1 PREFORMED PACKING
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Thread Class3A SECOND END A
Connection StyleSOCKET (TUBE) FIRST END
Maximum Operating Temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-050-00360048692 INTERCHANGEABLE
Seal,plain Encased
New Holland Construction
5999-01-078-1776403942 INTERCHANGEABLE
Matched Set,electronic Component
Astronics Test Systems Inc
5975-01-442-0907 INTERCHANGEABLE
Plate,electrical Grounding
Cross-Reference Index
Part NumberManufacturer
H823-20-20-SS PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
403942 Eaton Aerospace, Llc Dba Jackson South (USA)
268L62469-M00 Johnson Controls Ltd, York Navy Systems (GBR)
A518238-25SS Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5330-00-050-0036INTERCHANGEABLE
SEAL,PLAIN ENCASED
0048692
5999-01-078-1776INTERCHANGEABLE
MATCHED SET,ELECTRONIC COMPONENT
403942
5975-01-442-0907INTERCHANGEABLE
PLATE,ELECTRICAL GROUNDING

Frequently Asked Questions

What is NSN 4730-01-150-0878?

NSN 4730-01-150-0878 is a Elbow,tube to Boss, 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 4730-01-150-0878?

NSN 4730-01-150-0878 has 4 cross-referenced part numbers: H823-20-20-SS (Admiral Valve Llc Dba Cpv Manufacturing), 403942 (Eaton Aerospace, Llc Dba Jackson South), 268L62469-M00 (Johnson Controls Ltd, York Navy Systems), A518238-25SS (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 4730-01-150-0878?

There are 3 known substitutes for 4730-01-150-0878: 5330-00-050-0036, 5999-01-078-1776, 5975-01-442-0907. Verify interchangeability with system specifications before substitution.

What are the specifications of H823-20-20-SS?

Key specifications for H823-20-20-SS: Leg Length: 2.188 INCHES NOMINAL SECOND END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Leg Length: 3.062 INCHES NOMINAL FIRST END IN; Flow Angle: 90.0 DEGREES. 16 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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