PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

235-11-55Gasket

Recon/optical, Inc. · NSN 5330-00-897-9777 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-897-9777 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-897-9777. Primary manufacturer part number: 235-11-55.
Features
  • Gasket — FSC 5330
  • Hole Diameter: 0.204 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Outside Edge to Bolt Hole Center Distance Along Width: 0.312 INCHES NOMINAL IN
  • Center to Center Distance Between Bolt Holes Along Length: 6.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Style Designator: NON-CIRCULAR
  • Hardness Rating: 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Aperture Width: 4.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-897-9777, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Recon/optical, Inc.. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-897-9777
Primary Part Number235-11-55
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRecon/optical, Inc.
StatusACTIVE
Hole Diameter0.204 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Edge to Bolt Hole Center Distance Along Width0.312 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length6.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Style DesignatorNON-CIRCULAR
Hardness Rating35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Aperture Width4.250 INCHES NOMINAL IN
Outside Corner Radius0.125 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Length0.250 INCHES NOMINAL IN
Aperture Length5.000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Bolt Hole Quantity4
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Center to Center Distance Between Bolt Holes Along Width4.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Inside Corner Radius0.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-026-970012470 INTERCHANGEABLE
Holder,semiconductor Device
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
2530-00-312-2666CS2530-0025 INTERCHANGEABLE
Cap,wheel
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
235-11-55 Recon/optical, Inc. (USA)
235-11-55 Bourns Instruments Inc (USA)
Related Parts
5961-00-026-9700INTERCHANGEABLE
HOLDER,SEMICONDUCTOR DEVICE
12470
2530-00-312-2666INTERCHANGEABLE
CAP,WHEEL
CS2530-0025

Frequently Asked Questions

What is NSN 5330-00-897-9777?

NSN 5330-00-897-9777 is a Gasket, manufactured by Recon/optical, Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-897-9777?

NSN 5330-00-897-9777 has 2 cross-referenced part numbers: 235-11-55 (Recon/optical, Inc.), 235-11-55 (Bourns Instruments Inc).

What NSN replaces 5330-00-897-9777?

There are 2 known substitutes for 5330-00-897-9777: 5961-00-026-9700, 2530-00-312-2666. Verify interchangeability with system specifications before substitution.

What are the specifications of 235-11-55?

Key specifications for 235-11-55: Overall Width: 5.250 INCHES NOMINAL IN; Hole Diameter: 0.204 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Outside Edge to Bolt Hole Center Distance Along Width: 0.312 INCHES NOMINAL IN; Center to Center Distance Between Bolt Holes Along Length: 6.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com