PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

198G18Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-599-4991 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-599-4991 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-599-4991. Primary manufacturer part number: 198G18.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Material: LEATHER SEALING ELEMENT
  • Housing Bore Diameter: 1.983 INCHES NOMINAL IN
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-599-4991, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-599-4991
Primary Part Number198G18
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Case StyleSQUARE
MaterialLEATHER SEALING ELEMENT
Housing Bore Diameter1.983 INCHES NOMINAL IN
Seal Width0.250 INCHES NOMINAL IN
MaterialSTEEL CASE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-494-242110014234 INTERCHANGEABLE
Seal,plain Encased
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
198G18 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5330-00-494-2421INTERCHANGEABLE
SEAL,PLAIN ENCASED
10014234

Frequently Asked Questions

What is NSN 5330-00-599-4991?

NSN 5330-00-599-4991 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-599-4991?

NSN 5330-00-599-4991 has 1 cross-referenced part number: 198G18 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-599-4991?

There is 1 known substitute for 5330-00-599-4991: 5330-00-494-2421. Verify interchangeability with system specifications before substitution.

What are the specifications of 198G18?

Key specifications for 198G18: Case Style: SQUARE; Material: LEATHER SEALING ELEMENT; Housing Bore Diameter: 1.983 INCHES NOMINAL IN; Seal Width: 0.250 INCHES NOMINAL IN. 8 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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