PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12668Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-189-4739 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-189-4739 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-189-4739. Primary manufacturer part number: 12668.
Features
  • Seal,plain Encased — FSC 5330
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Material: RUBBER SEALING ELEMENT
  • Seal Width: 0.469 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Case Style: RECESSED
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 1.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-189-4739, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-189-4739
Primary Part Number12668
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MaterialRUBBER SEALING ELEMENT
Seal Width0.469 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Case StyleRECESSED
MaterialSTEEL CASE
Accommodated Shaft Diameter1.250 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Housing Bore Diameter2.835 INCHES NOMINAL IN
Outside Diameter2.842 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-120-4289001-27965 INTERCHANGEABLE
Roller,bearing
Tvh Parts Co.
6240-00-155-7923312 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
3030-00-164-35001-2668 INTERCHANGEABLE
Belt,flat
American Hofmann Corp
3030-00-164-35011-2670 INTERCHANGEABLE
Belt,flat
American Hofmann Corp
5950-00-228-2826 INTERCHANGEABLE
Coil,radio Frequency
5905-00-256-868012670 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Setra Systems, Inc. Dba Gems Sensors
5330-00-270-84682R718-121 INTERCHANGEABLE
Paper,gasket
Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots
3020-00-496-6755 INTERCHANGEABLE
Gear Cluster
6680-00-673-6919450806-9 INTERCHANGEABLE
Plate,back
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
6680-00-675-3556450806-15 INTERCHANGEABLE
Plate Assembly,indicator
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
Cross-Reference Index
Part NumberManufacturer
12668 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
142C799H03 Northrop Grumman Support Services Corp (USA)
12670 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
142C799H03 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
450806 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
Related Parts
3110-00-120-4289INTERCHANGEABLE
ROLLER,BEARING
001-27965
6240-00-155-7923INTERCHANGEABLE
LAMP,INCANDESCENT
312
3030-00-164-3500INTERCHANGEABLE
BELT,FLAT
1-2668
3030-00-164-3501INTERCHANGEABLE
BELT,FLAT
1-2670
5950-00-228-2826INTERCHANGEABLE
COIL,RADIO FREQUENCY
5905-00-256-8680INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
12670
5330-00-270-8468INTERCHANGEABLE
PAPER,GASKET
2R718-121
3020-00-496-6755INTERCHANGEABLE
GEAR CLUSTER
6680-00-673-6919INTERCHANGEABLE
PLATE,BACK
450806-9
6680-00-675-3556INTERCHANGEABLE
PLATE ASSEMBLY,INDICATOR
450806-15
6680-00-675-3557INTERCHANGEABLE
PLATE ASSEMBLY,INDICATOR
02008000-10
6680-00-675-3558INTERCHANGEABLE
PLATE ASSEMBLY,FUEL QUANTITY
450806-20

Frequently Asked Questions

What is NSN 5330-00-189-4739?

NSN 5330-00-189-4739 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-189-4739?

NSN 5330-00-189-4739 has 6 cross-referenced part numbers: 12668 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 142C799H03 (Northrop Grumman Support Services Corp), 12670 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 142C799H03 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 1 more.

What NSN replaces 5330-00-189-4739?

There are 12 known substitutes for 5330-00-189-4739: 3110-00-120-4289, 6240-00-155-7923, 3030-00-164-3500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12668?

Key specifications for 12668: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Material: RUBBER SEALING ELEMENT; Seal Width: 0.469 INCHES NOMINAL IN; Sealing Element Style: ANGULAR. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-189-4739 still in active supply?

NSN 5330-00-189-4739 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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