PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N0304 2-245Packing,preformed

Parker-Hannifin Corp Div O-Ring Division · NSN 5330-00-378-2566 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-378-2566 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-378-2566. Primary manufacturer part number: N0304 2-245.
Features
  • Packing,preformed — FSC 5330
  • Cross-Sectional Shape Style: O-RING
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Center Hole Diameter: 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
  • Elongation Percentage: 164 MAXIMUM
  • Cross Section Outside Diameter: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
  • Peripheral Diameter: 4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-00-378-2566, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-378-2566
Primary Part NumberN0304 2-245
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Cross-Sectional Shape StyleO-RING
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Center Hole Diameter4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN
Elongation Percentage164 MAXIMUM
Cross Section Outside Diameter0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Temp Rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
Peripheral Diameter4.599 INCHES MINIMUM AND 4.675 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Material Document and ClassificationMIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating68.0 SHORE DUROMETER A NOMINAL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-054-6881 INTERCHANGEABLE
Packing,preformed
5331-00-579-7921MS28775-245 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
N0304 2-245 Parker-Hannifin Corp Div O-Ring Division (USA)
2-245 N304-75 Parker Hannifin Gmbh O-Ring Division (DEU)
AN6227-88 Aeronautical Standards Group Dept of Navy and Air Force (USA)
N304-7-88 Parker-Hannifin Corp Div O-Ring Division (USA)
PS1-30-5-88 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5330-00-054-6881INTERCHANGEABLE
PACKING,PREFORMED
5331-00-579-7921INTERCHANGEABLE
O-RING
MS28775-245

Frequently Asked Questions

What is NSN 5330-00-378-2566?

NSN 5330-00-378-2566 is a Packing,preformed, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-378-2566?

NSN 5330-00-378-2566 has 5 cross-referenced part numbers: N0304 2-245 (Parker-Hannifin Corp Div O-Ring Division), 2-245 N304-75 (Parker Hannifin Gmbh O-Ring Division), AN6227-88 (Aeronautical Standards Group Dept of Navy and Air Force), N304-7-88 (Parker-Hannifin Corp Div O-Ring Division), PS1-30-5-88 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5330-00-378-2566?

There are 2 known substitutes for 5330-00-378-2566: 5330-00-054-6881, 5331-00-579-7921. Verify interchangeability with system specifications before substitution.

What are the specifications of N0304 2-245?

Key specifications for N0304 2-245: Cross-Sectional Shape Style: O-RING; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN; Elongation Percentage: 164 MAXIMUM. 10 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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