PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

588-7Gasket

Ernst, John C & Co, Inc. · NSN 5330-01-658-5803 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-658-5803 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-658-5803. Primary manufacturer part number: 588-7.
Features
  • Gasket — FSC 5330
  • 1 verified cross-reference
  • Primary manufacturer: Ernst, John C & Co, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-01-658-5803, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ernst, John C & Co, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-658-5803
Primary Part Number588-7
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerErnst, John C & Co, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 9
2825-00-036-33775887 INTERCHANGEABLE
Impeller
Northrop Grumman Systems Corporation Div Marine Systems
1650-00-101-7836DS-935245 INTERCHANGEABLE
Clip,return Plate
Eaton Aerospace, Llc Dba Jackson South
5310-00-141-3447 INTERCHANGEABLE
Washer,flat
5950-00-154-0291DW27 INTERCHANGEABLE
Transformer,power
Honeywell Intl Inc Defense Avionics Systems
5950-00-175-70881802287-2 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation
5330-01-142-8421 INTERCHANGEABLE
Packing,preformed
6530-01-330-8020 INTERCHANGEABLE
Diaphragm,adjustment Valve,respi
6240-01-420-92555887 INTERCHANGEABLE
Lamp,incandescent
Independent Rough Terrain Center Llc
5340-01-459-63295887 INTERCHANGEABLE
Plunger,detent
O F Mossberg & Sons Inc
Cross-Reference Index
Part NumberManufacturer
588-7 PRIMARY Ernst, John C & Co, Inc. (USA)
Related Parts
2825-00-036-3377INTERCHANGEABLE
IMPELLER
5887
1650-00-101-7836INTERCHANGEABLE
CLIP,RETURN PLATE
DS-935245
5310-00-141-3447INTERCHANGEABLE
WASHER,FLAT
5950-00-154-0291INTERCHANGEABLE
TRANSFORMER,POWER
DW27
5950-00-175-7088INTERCHANGEABLE
COIL,RADIO FREQUENCY
1802287-2
5330-01-142-8421INTERCHANGEABLE
PACKING,PREFORMED
6530-01-330-8020INTERCHANGEABLE
DIAPHRAGM,ADJUSTMENT VALVE,RESPI
6240-01-420-9255INTERCHANGEABLE
LAMP,INCANDESCENT
5887
5340-01-459-6329INTERCHANGEABLE
PLUNGER,DETENT
5887

Frequently Asked Questions

What is NSN 5330-01-658-5803?

NSN 5330-01-658-5803 is a Gasket, manufactured by Ernst, John C & Co, Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-658-5803?

NSN 5330-01-658-5803 has 1 cross-referenced part number: 588-7 (Ernst, John C & Co, Inc.).

What NSN replaces 5330-01-658-5803?

There are 9 known substitutes for 5330-01-658-5803: 2825-00-036-3377, 1650-00-101-7836, 5310-00-141-3447 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 588-7?

Key specifications for 588-7: Special Features: MATERIAL IS NON ASB; Part Name Assigned by Controlling Agency: ARMORED GASKETS/SHIELDS. 2 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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