PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A10245Elbow,tube to Boss

Stewart Avionics Inc · NSN 4730-00-756-7798 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-756-7798 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-756-7798. Primary manufacturer part number: A10245.
Features
  • Elbow,tube to Boss — FSC 4730
  • Material: STEEL OVERALL
  • Thread Class: 2A FIRST END A
  • Connection Style: FLARED (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL BOSS SECOND END
  • Leg Length: 1.250 INCHES NOMINAL SECOND END IN
  • Nominal Thread Size: 0.562 INCHES SECOND END IN
  • Thread Class: 2A SECOND END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-00-756-7798, 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 Stewart Avionics Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-756-7798
Primary Part NumberA10245
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusCANCELLED
MaterialSTEEL OVERALL
Thread Class2A FIRST END A
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Leg Length1.250 INCHES NOMINAL SECOND END IN
Nominal Thread Size0.562 INCHES SECOND END IN
Thread Class2A SECOND END A
Thread Series DesignatorUNF FIRST END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Leg Length1.062 INCHES NOMINAL FIRST END IN
Flow Angle90.0 DEGREES
Seat Angle37.0 DEGREES FIRST END
Thread Series DesignatorUNF SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
1005-00-614-78176147817 INTERCHANGEABLE
Mountingbracket
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
1440-01-072-196810189514 INTERCHANGEABLE
Ring Case Extension
Us Army Aviation and Missile Command
4730-01-224-8723SS-QC4-BP-K3-GREEN INTERCHANGEABLE
Plug,quick Disconnect
Swagelok Co
4730-01-556-68233593052C91 INTERCHANGEABLE
Elbow,pipe
Nd Defense Llc
Cross-Reference Index
Part NumberManufacturer
9410976 General Motors Corp (USA)
A10245 PRIMARY Stewart Avionics Inc (USA)
A102456 Stewart Avionics Inc (USA)
64A100A135 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
103177-1 PRIMARY Metadure Parts & Sales, Inc. (USA)
64A100A135 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
1005-00-614-7817INTERCHANGEABLE
MOUNTINGBRACKET
6147817
1440-01-072-1968INTERCHANGEABLE
RING CASE EXTENSION
10189514
4730-01-224-8723INTERCHANGEABLE
PLUG,QUICK DISCONNECT
SS-QC4-BP-K3-GREEN
4730-01-556-6823INTERCHANGEABLE
ELBOW,PIPE
3593052C91

Frequently Asked Questions

What is NSN 4730-00-756-7798?

NSN 4730-00-756-7798 is a Elbow,tube to Boss, manufactured by Stewart Avionics Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-756-7798?

NSN 4730-00-756-7798 has 6 cross-referenced part numbers: 9410976 (General Motors Corp), A10245 (Stewart Avionics Inc), A102456 (Stewart Avionics Inc), 64A100A135 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 103177-1 (Metadure Parts & Sales, Inc.) and 1 more.

What NSN replaces 4730-00-756-7798?

There are 4 known substitutes for 4730-00-756-7798: 1005-00-614-7817, 1440-01-072-1968, 4730-01-224-8723 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A10245?

Key specifications for A10245: Material: STEEL OVERALL; Thread Class: 2A FIRST END A; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-756-7798 still in active supply?

NSN 4730-00-756-7798 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.
PartsTable Design LLC · partstable.com