PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

313031Seal,nonmetallic Round Section

Brunswick Corp Defense Div · NSN 5330-01-063-9978 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-063-9978 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-063-9978. Primary manufacturer part number: 313031.
Features
  • Seal,nonmetallic Round Section — FSC 5330
  • Attachment Method: CEMENTED
  • Style Designator: D SHAPE
  • Fabrication Method: SOLID
  • Material: RUBBER SYNTHETIC OVERALL
  • Inside Corner Radius: 0.090 INCHES NOMINAL IN
  • Aperture Width: 0.240 INCHES NOMINAL IN
  • Construction: SOLID
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Seal,nonmetallic Round Section, cataloged under National Stock Number 5330-01-063-9978, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Defense Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-063-9978
Primary Part Number313031
Item NameSeal,nonmetallic Round Section
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBrunswick Corp Defense Div
StatusACTIVE
Attachment MethodCEMENTED
Style DesignatorD SHAPE
Fabrication MethodSOLID
MaterialRUBBER SYNTHETIC OVERALL
Inside Corner Radius0.090 INCHES NOMINAL IN
Aperture Width0.240 INCHES NOMINAL IN
ConstructionSOLID
Aperture Length0.360 INCHES NOMINAL IN
Outside Corner Radius0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2925-00-293-4810 INTERCHANGEABLE
Igniter,spark,gas Turbine Engine
5920-00-997-9548313-031 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5950-01-012-3939313031 INTERCHANGEABLE
Coil,radio Frequency
Fluke Corp
5970-01-258-5143 INTERCHANGEABLE
Insulator,strut,torque
5305-01-300-6979313031 INTERCHANGEABLE
Screw,machine
Brp Us Inc
5340-01-543-456531303-1 INTERCHANGEABLE
Cover,access
Ares, Inc
Cross-Reference Index
Part NumberManufacturer
313031 Brunswick Corp Defense Div (USA)
Related Parts
2925-00-293-4810INTERCHANGEABLE
IGNITER,SPARK,GAS TURBINE ENGINE
5920-00-997-9548INTERCHANGEABLE
FUSE,CARTRIDGE
313-031
5950-01-012-3939INTERCHANGEABLE
COIL,RADIO FREQUENCY
313031
5970-01-258-5143INTERCHANGEABLE
INSULATOR,STRUT,TORQUE
5305-01-300-6979INTERCHANGEABLE
SCREW,MACHINE
313031
5340-01-543-4565INTERCHANGEABLE
COVER,ACCESS
31303-1

Frequently Asked Questions

What is NSN 5330-01-063-9978?

NSN 5330-01-063-9978 is a Seal,nonmetallic Round Section, manufactured by Brunswick Corp Defense Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-063-9978?

NSN 5330-01-063-9978 has 1 cross-referenced part number: 313031 (Brunswick Corp Defense Div).

What NSN replaces 5330-01-063-9978?

There are 6 known substitutes for 5330-01-063-9978: 2925-00-293-4810, 5920-00-997-9548, 5950-01-012-3939 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 313031?

Key specifications for 313031: Attachment Method: CEMENTED; Style Designator: D SHAPE; Fabrication Method: SOLID; Material: RUBBER SYNTHETIC OVERALL. 9 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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