PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3000785 PC21Gasket

Naval Sea Systems Command · NSN 5330-00-255-2570 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-255-2570 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-255-2570. Primary manufacturer part number: 3000785 PC21.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Thickness: 0.047 INCHES NOMINAL IN
  • Material: ASBESTOS AND COPPER OVERALL
  • Style Designator: CIRCULAR
  • Aperture Diameter: 2.531 INCHES NOMINAL IN
  • Outside Diameter: 5.688 INCHES NOMINAL IN
  • Hole Diameter: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Bolt Circle Diameter: 4.562 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Copper Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-255-2570, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-255-2570
Primary Part Number3000785 PC21
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Cross-Sectional Thickness0.047 INCHES NOMINAL IN
MaterialASBESTOS AND COPPER OVERALL
Style DesignatorCIRCULAR
Aperture Diameter2.531 INCHES NOMINAL IN
Outside Diameter5.688 INCHES NOMINAL IN
Hole Diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Circle Diameter4.562 INCHES NOMINAL IN
Bolt Hole Quantity8
Cross-Sectional Shape StyleMETAL WITH SOFT FILLER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1650-00-357-444313648 INTERCHANGEABLE
Body
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
1660-00-485-310613648 INTERCHANGEABLE
Bellows,pressure
Honeywell International, Inc Div Aerospace-Tucson
2530-00-862-5207 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
5945-00-910-1299 INTERCHANGEABLE
Solenoid
2520-01-115-8076271610 INTERCHANGEABLE
Synchronizer,transmission
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
Cross-Reference Index
Part NumberManufacturer
13648 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
3000785 PC21 PRIMARY Naval Sea Systems Command (USA)
Related Parts
1650-00-357-4443INTERCHANGEABLE
BODY
13648
1660-00-485-3106INTERCHANGEABLE
BELLOWS,PRESSURE
13648
2530-00-862-5207INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
5945-00-910-1299INTERCHANGEABLE
SOLENOID
2520-01-115-8076INTERCHANGEABLE
SYNCHRONIZER,TRANSMISSION
271610

Frequently Asked Questions

What is NSN 5330-00-255-2570?

NSN 5330-00-255-2570 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-255-2570?

NSN 5330-00-255-2570 has 2 cross-referenced part numbers: 13648 (Leslie Controls, Inc. Dba Leslie Controls Inc), 3000785 PC21 (Naval Sea Systems Command).

What NSN replaces 5330-00-255-2570?

There are 5 known substitutes for 5330-00-255-2570: 1650-00-357-4443, 1660-00-485-3106, 2530-00-862-5207 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3000785 PC21?

Key specifications for 3000785 PC21: Cross-Sectional Thickness: 0.047 INCHES NOMINAL IN; Material: ASBESTOS AND COPPER OVERALL; Style Designator: CIRCULAR; Aperture Diameter: 2.531 INCHES NOMINAL IN. 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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