PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZZ-R-765,CLIIB,GR.70Packing,preformed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5330-01-304-9819 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-304-9819 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-304-9819. Primary manufacturer part number: ZZ-R-765,CLIIB,GR.70.
Features
  • Packing,preformed — FSC 5330
  • Center Hole Diameter: 2.710 INCHES MINIMUM AND 2.758 INCHES MAXIMUM IN
  • Material: RUBBER SILICONE CLASS Q SEALING ELEMENT
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Peripheral Diameter: 3.012 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Applications requiring Rubber Silicone Class Q Sealing Element construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-304-9819, 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 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-304-9819
Primary Part NumberZZ-R-765,CLIIB,GR.70
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
Center Hole Diameter2.710 INCHES MINIMUM AND 2.758 INCHES MAXIMUM IN
MaterialRUBBER SILICONE CLASS Q SEALING ELEMENT
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Peripheral Diameter3.012 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-585-824754A126-232 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-00-980-534377725-66X1PC12 INTERCHANGEABLE
O-Ring
Electric Boat Corporation Div General Dynamics Electric Boat
5330-01-239-3562 INTERCHANGEABLE
Packing,preformed
5330-01-244-6556 INTERCHANGEABLE
Rubber Sheet
Cross-Reference Index
Part NumberManufacturer
ZZ-R-765,CLIIB,GR.70 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
ARP568-232 Society of Automotive Engineers Inc (USA)
215-4454913PCF-104 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
ARP568-232 Sae International Dba Sae International (USA)
Related Parts
5331-00-585-8247INTERCHANGEABLE
O-RING
54A126-232
5331-00-980-5343INTERCHANGEABLE
O-RING
77725-66X1PC12
5330-01-239-3562INTERCHANGEABLE
PACKING,PREFORMED
5330-01-244-6556INTERCHANGEABLE
RUBBER SHEET

Frequently Asked Questions

What is NSN 5330-01-304-9819?

NSN 5330-01-304-9819 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 5330-01-304-9819?

NSN 5330-01-304-9819 has 4 cross-referenced part numbers: ZZ-R-765,CLIIB,GR.70 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ARP568-232 (Society of Automotive Engineers Inc), 215-4454913PCF-104 (Huntington Ingalls Inc Div Newport News Shipbuilding), ARP568-232 (Sae International Dba Sae International).

What NSN replaces 5330-01-304-9819?

There are 4 known substitutes for 5330-01-304-9819: 5331-00-585-8247, 5331-00-980-5343, 5330-01-239-3562 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZZ-R-765,CLIIB,GR.70?

Key specifications for ZZ-R-765,CLIIB,GR.70: Center Hole Diameter: 2.710 INCHES MINIMUM AND 2.758 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q SEALING ELEMENT; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 6 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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