PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M36556ALT1PC270AGasket

Bath Iron Works Corporation · NSN 5330-00-378-1997 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-378-1997 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-378-1997. Primary manufacturer part number: M36556ALT1PC270A.
Features
  • Gasket — FSC 5330
  • Hole Diameter: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN
  • Material: ASBESTOS OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Bath Iron Works Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-378-1997, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bath Iron Works Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5330-00-378-1997
Primary Part NumberM36556ALT1PC270A
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBath Iron Works Corporation
StatusACTIVE
Hole Diameter0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.063 INCHES NOMINAL IN
MaterialASBESTOS OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-156-1798 INTERCHANGEABLE
Bearing,ball,thrust
6625-01-178-7675 INTERCHANGEABLE
Indicator,electrical Potential
Cross-Reference Index
Part NumberManufacturer
M36556ALT1PC270A PRIMARY Bath Iron Works Corporation (USA)
GT33 Bath Iron Works Corporation (USA)
Related Parts
3110-00-156-1798INTERCHANGEABLE
BEARING,BALL,THRUST
6625-01-178-7675INTERCHANGEABLE
INDICATOR,ELECTRICAL POTENTIAL

Frequently Asked Questions

What is NSN 5330-00-378-1997?

NSN 5330-00-378-1997 is a Gasket, manufactured by Bath Iron Works Corporation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-378-1997?

NSN 5330-00-378-1997 has 2 cross-referenced part numbers: M36556ALT1PC270A (Bath Iron Works Corporation), GT33 (Bath Iron Works Corporation).

What NSN replaces 5330-00-378-1997?

There are 2 known substitutes for 5330-00-378-1997: 3110-00-156-1798, 6625-01-178-7675. Verify interchangeability with system specifications before substitution.

What are the specifications of M36556ALT1PC270A?

Key specifications for M36556ALT1PC270A: Hole Diameter: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Overall Length: 14.500 INCHES NOMINAL IN; Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN. 6 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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