PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11879Gasket

Napco International Llc Dba Napco International Inc · NSN 5330-00-580-2447 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-580-2447 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-580-2447. Primary manufacturer part number: 11879.
Features
  • Gasket — FSC 5330
  • Outside Edge to Bolt Hole Center Distance Along Length: 0.469 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL WITH SOFT FILLER
  • Aperture Diameter: 4.250 INCHES NOMINAL IN
  • Material: COPPER CASE
  • Outside Edge to Bolt Hole Center Distance Along Width: 0.469 INCHES NOMINAL IN
  • Hole Diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Center to Center Distance Between Bolt Holes Along Width: 4.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Case construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-580-2447, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-580-2447
Primary Part Number11879
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Outside Edge to Bolt Hole Center Distance Along Length0.469 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL WITH SOFT FILLER
Aperture Diameter4.250 INCHES NOMINAL IN
MaterialCOPPER CASE
Outside Edge to Bolt Hole Center Distance Along Width0.469 INCHES NOMINAL IN
Hole Diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Center to Center Distance Between Bolt Holes Along Width4.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Center to Center Distance Between Bolt Holes Along Length4.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Style DesignatorNON-CIRCULAR
Bolt Hole Quantity4
MaterialASBESTOS CORE
Cross-Sectional Thickness0.080 INCHES NOMINAL IN
Outside Corner Radius0.469 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5821-00-041-18452Z3351-458 INTERCHANGEABLE
Plate
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-247-83648193581 INTERCHANGEABLE
Relay,electromagnetic
Us Army Aviation and Missile Command
7320-00-389-5117P-9771 INTERCHANGEABLE
Blade,slicer Attachment
Itw Food Equipment Group Llc Dba Hobart Service
5330-00-403-647511879 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5310-01-235-1929311879 INTERCHANGEABLE
Washer,flat
Rexnord Industries, Llc Div Couplings Division
3020-01-357-569411879 INTERCHANGEABLE
Gear,clutch
DP Manufacturing Inc.
4820-01-646-593811-879 INTERCHANGEABLE
Valve,relief,pressure and Temper
Actronics Incorporated Dba Actronics Inc
Cross-Reference Index
Part NumberManufacturer
11879 PRIMARY Napco International Llc Dba Napco International Inc (USA)
15701-0843 Kurz & Root Generator Company, Llc (USA)
11879 Morris Material Handling, Inc. (USA)
Related Parts
5821-00-041-1845INTERCHANGEABLE
PLATE
2Z3351-458
5945-00-247-8364INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8193581
7320-00-389-5117INTERCHANGEABLE
BLADE,SLICER ATTACHMENT
P-9771
5330-00-403-6475INTERCHANGEABLE
SEAL,PLAIN ENCASED
11879
5310-01-235-1929INTERCHANGEABLE
WASHER,FLAT
311879
3020-01-357-5694INTERCHANGEABLE
GEAR,CLUTCH
11879
4820-01-646-5938INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
11-879

Frequently Asked Questions

What is NSN 5330-00-580-2447?

NSN 5330-00-580-2447 is a Gasket, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-580-2447?

NSN 5330-00-580-2447 has 3 cross-referenced part numbers: 11879 (Napco International Llc Dba Napco International Inc), 15701-0843 (Kurz & Root Generator Company, Llc), 11879 (Morris Material Handling, Inc.).

What NSN replaces 5330-00-580-2447?

There are 7 known substitutes for 5330-00-580-2447: 5821-00-041-1845, 5945-00-247-8364, 7320-00-389-5117 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11879?

Key specifications for 11879: Outside Edge to Bolt Hole Center Distance Along Length: 0.469 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL WITH SOFT FILLER; Aperture Diameter: 4.250 INCHES NOMINAL IN; Material: COPPER CASE. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-580-2447 still in active supply?

NSN 5330-00-580-2447 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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