PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILC10387Packing,preformed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5330-00-178-9993 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-9993 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-9993. Primary manufacturer part number: MILC10387.
Features
  • Packing,preformed — FSC 5330
  • Cross-Sectional Height: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
  • Peripheral Diameter: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Cross-Sectional Shape Style: SPECIAL
  • Center Hole Diameter: 1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-178-9993, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-00-178-9993
Primary Part NumberMILC10387
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Cross-Sectional Height1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Peripheral Diameter2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC OVERALL
Cross-Sectional Shape StyleSPECIAL
Center Hole Diameter1.656 INCHES MINIMUM AND 1.719 INCHES MAXIMUM 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
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
4730-00-489-486040B-6INCH INTERCHANGEABLE
Coupling,clamp,pipe
Stockham Valves and Fittings Inc
Cross-Reference Index
Part NumberManufacturer
MILC10387 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1 1-2INPIPE Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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
4730-00-203-3615INTERCHANGEABLE
COUPLING,CLAMP,PIPE
4730-00-288-9514INTERCHANGEABLE
COUPLING,CLAMP,PIPE
5330-00-391-8481INTERCHANGEABLE
PACKING,PREFORMED
1 1-4IN77GRADET
4730-00-489-4860INTERCHANGEABLE
COUPLING,CLAMP,PIPE
40B-6INCH
4730-00-929-0780INTERCHANGEABLE
COUPLING,CLAMP,PIPE
4730-00-982-4026INTERCHANGEABLE
COUPLING,CLAMP,PIPE

Frequently Asked Questions

What is NSN 5330-00-178-9993?

NSN 5330-00-178-9993 is a Packing,preformed, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-178-9993?

NSN 5330-00-178-9993 has 2 cross-referenced part numbers: MILC10387 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1 1-2INPIPE (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5330-00-178-9993?

There are 12 known substitutes for 5330-00-178-9993: 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 MILC10387?

Key specifications for MILC10387: Cross-Sectional Height: 1.062 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Peripheral Diameter: 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC OVERALL; Cross-Sectional Shape Style: SPECIAL. 5 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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