PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4276-36PC9Gasket

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5330-00-187-1528 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-187-1528 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-187-1528. Primary manufacturer part number: 4276-36PC9.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 2.750 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR METAL
  • Aperture Diameter: 2.250 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Style Designator: CIRCULAR
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Copper Alloy Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-187-1528, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-187-1528
Primary Part Number4276-36PC9
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Outside Diameter2.750 INCHES NOMINAL IN
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR METAL
Aperture Diameter2.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorCIRCULAR
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-528-280725259 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
1560-00-706-285225259 INTERCHANGEABLE
Clamp,hydraulic Accumulator
Northrop Grumman Systems Corporation
5365-00-730-346525259 INTERCHANGEABLE
Spacer,ring
Raytheon Company Dba Raytheon
4710-01-014-390225259 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
4276-36PC9 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4276-36PC9 Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (USA)
576-4900-1505024PC9 Naval Ship Systems Command (USA)
3676-63REVAPC9 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
571-4900-1302965REVAPC9 Naval Ship Systems Command (USA)
25259 The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA)
7876-50REVAPC9 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
54844PC98 The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA)
578-4900-1574341REVAPC9 Naval Ship Systems Command (USA)
Related Parts
5330-00-528-2807INTERCHANGEABLE
GASKET
25259
1560-00-706-2852INTERCHANGEABLE
CLAMP,HYDRAULIC ACCUMULATOR
25259
5365-00-730-3465INTERCHANGEABLE
SPACER,RING
25259
4710-01-014-3902INTERCHANGEABLE
TUBE ASSEMBLY,METAL
25259

Frequently Asked Questions

What is NSN 5330-00-187-1528?

NSN 5330-00-187-1528 is a Gasket, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-187-1528?

NSN 5330-00-187-1528 has 9 cross-referenced part numbers: 4276-36PC9 (Electric Boat Corporation Div General Dynamics Electric Boat), 4276-36PC9 (Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility), 576-4900-1505024PC9 (Naval Ship Systems Command), 3676-63REVAPC9 (Electric Boat Corporation Div General Dynamics Electric Boat), 571-4900-1302965REVAPC9 (Naval Ship Systems Command) and 4 more.

What NSN replaces 5330-00-187-1528?

There are 4 known substitutes for 5330-00-187-1528: 5330-00-528-2807, 1560-00-706-2852, 5365-00-730-3465 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4276-36PC9?

Key specifications for 4276-36PC9: Outside Diameter: 2.750 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR METAL; Aperture Diameter: 2.250 INCHES NOMINAL IN. 7 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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