PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST7M278-175Gasket

The Boeing Company Div Defense · NSN 5330-01-119-5940 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-119-5940 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-119-5940. Primary manufacturer part number: ST7M278-175.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR
  • Material: STEEL CORROSION RESISTING OVERALL
  • Outside Diameter: 1.993 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
  • Aperture Diameter: 1.708 INCHES MINIMUM AND 1.728 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-119-5940, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5330-01-119-5940
Primary Part NumberST7M278-175
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Style DesignatorCIRCULAR
MaterialSTEEL CORROSION RESISTING OVERALL
Outside Diameter1.993 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
Cross-Sectional Thickness0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Aperture Diameter1.708 INCHES MINIMUM AND 1.728 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5915-00-326-2096 INTERCHANGEABLE
Filter,radio Frequency Interfere
5962-00-434-1674 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
10119671 Nimikkeistokeskus Ncb Finland (FIN)
ST7M278-175 PRIMARY The Boeing Company Div Defense (USA)
A3624 PRIMARY Eaton Corporation Div Fed (USA)
E15-0199-10 Jetseal Inc (USA)
Related Parts
5915-00-326-2096INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5962-00-434-1674INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5330-01-119-5940?

NSN 5330-01-119-5940 is a Gasket, manufactured by The Boeing Company Div Defense, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-119-5940?

NSN 5330-01-119-5940 has 4 cross-referenced part numbers: 10119671 (Nimikkeistokeskus Ncb Finland), ST7M278-175 (The Boeing Company Div Defense), A3624 (Eaton Corporation Div Fed), E15-0199-10 (Jetseal Inc).

What NSN replaces 5330-01-119-5940?

There are 2 known substitutes for 5330-01-119-5940: 5915-00-326-2096, 5962-00-434-1674. Verify interchangeability with system specifications before substitution.

What are the specifications of ST7M278-175?

Key specifications for ST7M278-175: Style Designator: CIRCULAR; Material: STEEL CORROSION RESISTING OVERALL; Outside Diameter: 1.993 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN; Special Features: MATERIAL INCONEL 718 PER AMS 5689 OR AMS 5596. 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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