PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-4E540-80Packing,preformed

Parker-Hannifin Corp Div O-Ring Division · NSN 5330-01-037-7739 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-037-7739 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-037-7739. Primary manufacturer part number: 3-4E540-80.
Features
  • Packing,preformed — FSC 5330
  • Hardness Rating: 80.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Criticality Code Justification: ZZZY
  • Material: RUBBER SYNTHETIC OVERALL
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Cross-Sectional Height: 0.072 INCHES NOMINAL IN
  • Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Cross-Sectional Shape Style: O-RING
Applications
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-037-7739, 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 9 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-037-7739
Primary Part Number3-4E540-80
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Hardness Rating80.0 SHORE DUROMETER A MAXIMUM OVERALL
Criticality Code JustificationZZZY
MaterialRUBBER SYNTHETIC OVERALL
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Cross-Sectional Height0.072 INCHES NOMINAL IN
Temp Rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Cross-Sectional Shape StyleO-RING
ColorBLACK
Center Hole Diameter0.351 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-486-7109E540-80/AS568-904 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
3-4E540-80 Parker-Hannifin Corp Div O-Ring Division (USA)
E0540 3-904 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-486-7109INTERCHANGEABLE
O-RING
E540-80/AS568-904

Frequently Asked Questions

What is NSN 5330-01-037-7739?

NSN 5330-01-037-7739 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 5330-01-037-7739?

NSN 5330-01-037-7739 has 2 cross-referenced part numbers: 3-4E540-80 (Parker-Hannifin Corp Div O-Ring Division), E0540 3-904 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5330-01-037-7739?

There is 1 known substitute for 5330-01-037-7739: 5331-00-486-7109. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-4E540-80?

Key specifications for 3-4E540-80: Hardness Rating: 80.0 SHORE DUROMETER A MAXIMUM OVERALL; Criticality Code Justification: ZZZY; Material: RUBBER SYNTHETIC OVERALL; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 9 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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