PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

540-4Gasket

Bay Engine and Parts Co · NSN 5330-00-918-9959 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-918-9959 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-918-9959. Primary manufacturer part number: 540-4.
Features
  • Gasket — FSC 5330
  • Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
  • 3 verified cross-references
  • Primary manufacturer: Bay Engine and Parts Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-918-9959, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bay Engine and Parts Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-918-9959
Primary Part Number540-4
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBay Engine and Parts Co
StatusACTIVE
Supplementary FeaturesCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-010-6498106498 INTERCHANGEABLE
Washer,lock
Rolls-Royce Solutions America Inc
4820-00-083-898970402902 INTERCHANGEABLE
Parts Kit,valve
Hydro-Aire Aerospace Corp
5330-00-118-3019 INTERCHANGEABLE
Gasket
3110-00-156-4825177009-43 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-00-341-0544 INTERCHANGEABLE
Microcircuit,digital
4320-00-343-83535404 INTERCHANGEABLE
Piston,pump
Northrop Grumman Systems Corporation Div Marine Systems
5315-00-410-66685404 INTERCHANGEABLE
Pin,straight,headed
Pdi Ground Support Systems, Inc.
5950-00-683-0510 INTERCHANGEABLE
Transformer,power
5961-00-851-8168 INTERCHANGEABLE
Transistor
4320-00-917-51255404C 10030 INTERCHANGEABLE
Ring,wearing
The Gorman-Rupp Company Div Gorman-Rupp
Cross-Reference Index
Part NumberManufacturer
540-4 Bay Engine and Parts Co (USA)
540-4 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
540-4 Mid-Continent Supply Co Inc (USA)
Related Parts
5310-00-010-6498INTERCHANGEABLE
WASHER,LOCK
106498
4820-00-083-8989INTERCHANGEABLE
PARTS KIT,VALVE
70402902
5330-00-118-3019INTERCHANGEABLE
GASKET
3110-00-156-4825INTERCHANGEABLE
BEARING,BALL,ANNULAR
177009-43
5962-00-341-0544INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4320-00-343-8353INTERCHANGEABLE
PISTON,PUMP
5404
5315-00-410-6668INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5404
5950-00-683-0510INTERCHANGEABLE
TRANSFORMER,POWER
5961-00-851-8168INTERCHANGEABLE
TRANSISTOR
4320-00-917-5125INTERCHANGEABLE
RING,WEARING
5404C 10030
5962-01-076-8391INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4310-01-145-1035INTERCHANGEABLE
CRANKSHAFT,COMPRESSOR
5-404

Frequently Asked Questions

What is NSN 5330-00-918-9959?

NSN 5330-00-918-9959 is a Gasket, manufactured by Bay Engine and Parts Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-918-9959?

NSN 5330-00-918-9959 has 3 cross-referenced part numbers: 540-4 (Bay Engine and Parts Co), 540-4 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 540-4 (Mid-Continent Supply Co Inc).

What NSN replaces 5330-00-918-9959?

There are 12 known substitutes for 5330-00-918-9959: 5310-00-010-6498, 4820-00-083-8989, 5330-00-118-3019 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 540-4?

Key specifications for 540-4: Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200; Special Features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200. 2 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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