PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77E1INCoupling,clamp,pipe

Victaulic Company of America Inc Dba Victaulic Company of America · NSN 4730-01-186-3778 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-186-3778 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-186-3778. Primary manufacturer part number: 77E1IN.
Features
  • Coupling,clamp,pipe — FSC 4730
  • Material: RUBBER SYNTHETIC GASKET
  • Pipe Size Accommodated: 1.000 INCHES NOMINAL IN
  • Segment Quantity: 2
  • Material: IRON MALLEABLE HOUSING
  • End Type for Which Designed: GROOVED
  • Working Pressure Rating: 1000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Tube Outside Diameter for Which Designed: 1.315 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic Gasket construction
General Description

The Coupling,clamp,pipe, cataloged under National Stock Number 4730-01-186-3778, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-186-3778
Primary Part Number77E1IN
Item NameCoupling,clamp,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVictaulic Company of America Inc Dba Victaulic Company of America
StatusACTIVE
MaterialRUBBER SYNTHETIC GASKET
Pipe Size Accommodated1.000 INCHES NOMINAL IN
Segment Quantity2
MaterialIRON MALLEABLE HOUSING
End Type for Which DesignedGROOVED
Working Pressure Rating1000.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Tube Outside Diameter for Which Designed1.315 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-062-6339 INTERCHANGEABLE
Coupling,clamp,pipe
5330-00-141-4225 INTERCHANGEABLE
Packing,preformed
4730-00-142-1590 INTERCHANGEABLE
Coupling,clamp,pipe
4730-00-142-1591 INTERCHANGEABLE
Coupling,clamp,pipe
4730-00-142-1592 INTERCHANGEABLE
Coupling,clamp,pipe
5330-00-171-8086 INTERCHANGEABLE
Gasket
5330-00-178-9993 INTERCHANGEABLE
Packing,preformed
4730-00-203-3615 INTERCHANGEABLE
Coupling,clamp,pipe
4730-00-288-9514 INTERCHANGEABLE
Coupling,clamp,pipe
5330-00-391-84811 1-4IN77GRADET INTERCHANGEABLE
Packing,preformed
Victaulic Company of America Inc Dba Victaulic Company of America
Cross-Reference Index
Part NumberManufacturer
MIL-C-10387 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M10387-2-D-02 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
77E1IN PRIMARY Victaulic Company of America Inc Dba Victaulic Company of America (USA)
ANSI/AWWA C606 American Water Works Association (USA)
Related Parts
4730-00-062-6339INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5330-00-141-4225INTERCHANGEABLE
PACKING,PREFORMED
4730-00-142-1590INTERCHANGEABLE
COUPLING,CLAMP,PIPE
4730-00-142-1591INTERCHANGEABLE
COUPLING,CLAMP,PIPE
4730-00-142-1592INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5330-00-171-8086INTERCHANGEABLE
GASKET
5330-00-178-9993INTERCHANGEABLE
PACKING,PREFORMED
4730-00-203-3615INTERCHANGEABLE
COUPLING,CLAMP,PIPE
4730-00-288-9514INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5330-00-391-8481INTERCHANGEABLE
PACKING,PREFORMED
1 1-4IN77GRADET
4730-00-400-8972INTERCHANGEABLE
COUPLING,CLAMP,PIPE
C-020-077-P-E0
4730-00-489-4860INTERCHANGEABLE
COUPLING,CLAMP,PIPE
40B-6INCH

Frequently Asked Questions

What is NSN 4730-01-186-3778?

NSN 4730-01-186-3778 is a Coupling,clamp,pipe, manufactured by Victaulic Company of America Inc Dba Victaulic Company of America, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-186-3778?

NSN 4730-01-186-3778 has 4 cross-referenced part numbers: MIL-C-10387 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M10387-2-D-02 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 77E1IN (Victaulic Company of America Inc Dba Victaulic Company of America), ANSI/AWWA C606 (American Water Works Association).

What NSN replaces 4730-01-186-3778?

There are 12 known substitutes for 4730-01-186-3778: 4730-00-062-6339, 5330-00-141-4225, 4730-00-142-1590 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77E1IN?

Key specifications for 77E1IN: Material: RUBBER SYNTHETIC GASKET; Pipe Size Accommodated: 1.000 INCHES NOMINAL IN; Segment Quantity: 2; Material: IRON MALLEABLE HOUSING. 8 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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