PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45AAdapter,straight,flange to Pipe

Victaulic Company of America Inc Dba Victaulic Company of America · NSN 4730-01-187-8051 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-187-8051 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-187-8051. Primary manufacturer part number: 45A.
Features
  • Adapter,straight,flange to Pipe — FSC 4730
  • Flange Face Design: PLAIN SECOND END
  • Nominal Outside Diameter: 11.000 INCHES SECOND END IN
  • Nominal Thickness: 1.000 INCHES SECOND END IN
  • Bolt Circle Nominal Diameter: 9.500 INCHES SECOND END IN
  • Bolt Hole Quantity: 8 SECOND END
  • Bolt Hole Nominal Diameter: 0.875 INCHES SECOND END IN
  • Surface Treatment: ANODIZE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-187-8051, 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 Victaulic Company of America Inc Dba Victaulic Company of America. Government technical data includes 14 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-187-8051
Primary Part Number45A
Item NameAdapter,straight,flange to Pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVictaulic Company of America Inc Dba Victaulic Company of America
StatusCANCELLED
Flange Face DesignPLAIN SECOND END
Nominal Outside Diameter11.000 INCHES SECOND END IN
Nominal Thickness1.000 INCHES SECOND END IN
Bolt Circle Nominal Diameter9.500 INCHES SECOND END IN
Bolt Hole Quantity8 SECOND END
Bolt Hole Nominal Diameter0.875 INCHES SECOND END IN
Surface TreatmentANODIZE OVERALL
Nominal Pipe Size Accommodated6.000 INCHES FIRST END IN
Connection TypeUNTHREADED EXTERNAL PIPE FIRST END
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Flange ShapeROUND WITH HOLES SECOND END
Nominal Overall Length6.000 INCHES IN
Material Document and ClassificationQQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeFLANGE SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5996-00-248-9081SC-D-68458 INTERCHANGEABLE
Amplifier,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-298-9112 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
6220-00-299-58411008229-1 INTERCHANGEABLE
Light,marker,clearance
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5342-00-344-4169100-013-655 INTERCHANGEABLE
Bracket,cable Terminal
Lucent Technologies Inc Corporate Headquarters
5935-00-402-1439 INTERCHANGEABLE
Connector,plug,electrical
1005-00-731-036145A INTERCHANGEABLE
Barrel Assy
Colt's Manufacturing Company, Llc
6850-00-974-3738 INTERCHANGEABLE
Calibrating Oil
6350-01-113-897445A INTERCHANGEABLE
Horn,signal
S C P Global Technologies Inc. Dba S C P Global Technologies
9905-01-684-789245A INTERCHANGEABLE
Reflector,indicating,clearance
Truck-Lite Co., Llc
Cross-Reference Index
Part NumberManufacturer
13225E9097-3 Cecom Lr Center (USA)
45A PRIMARY Victaulic Company of America Inc Dba Victaulic Company of America (USA)
M10388-A-02-AK-1-C-6A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-P-10388 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FE98045A00 PRIMARY Victaulic Company of America Inc Dba Victaulic Company of America (USA)
41A6IN Victaulic Company of America Inc Dba Victaulic Company of America (USA)
FE908045A00 Victaulic Company of America Inc Dba Victaulic Company of America (USA)
Related Parts
5996-00-248-9081INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
SC-D-68458
5340-00-298-9112INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
6220-00-299-5841INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
1008229-1
5342-00-344-4169INTERCHANGEABLE
BRACKET,CABLE TERMINAL
100-013-655
5935-00-402-1439INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1005-00-731-0361INTERCHANGEABLE
BARREL ASSY
45A
6850-00-974-3738INTERCHANGEABLE
CALIBRATING OIL
6350-01-113-8974INTERCHANGEABLE
HORN,SIGNAL
45A
9905-01-684-7892INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
45A

Frequently Asked Questions

What is NSN 4730-01-187-8051?

NSN 4730-01-187-8051 is a Adapter,straight,flange to Pipe, manufactured by Victaulic Company of America Inc Dba Victaulic Company of America, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-187-8051?

NSN 4730-01-187-8051 has 7 cross-referenced part numbers: 13225E9097-3 (Cecom Lr Center), 45A (Victaulic Company of America Inc Dba Victaulic Company of America), M10388-A-02-AK-1-C-6A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-P-10388 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FE98045A00 (Victaulic Company of America Inc Dba Victaulic Company of America) and 2 more.

What NSN replaces 4730-01-187-8051?

There are 9 known substitutes for 4730-01-187-8051: 5996-00-248-9081, 5340-00-298-9112, 6220-00-299-5841 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45A?

Key specifications for 45A: Flange Face Design: PLAIN SECOND END; Nominal Outside Diameter: 11.000 INCHES SECOND END IN; Nominal Thickness: 1.000 INCHES SECOND END IN; Bolt Circle Nominal Diameter: 9.500 INCHES SECOND END IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-187-8051 still in active supply?

NSN 4730-01-187-8051 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.
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