PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21101Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-019-3233 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-019-3233 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-019-3233. Primary manufacturer part number: 21101.
Features
  • Seal,plain Encased — FSC 5330
  • Outside Diameter: 2.879 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Housing Bore Diameter: 2.875 INCHES NOMINAL IN
  • Seal Width: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
  • Surface Treatment: PLASTIC CASE
  • Sealing Element Style: ANGULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-019-3233, 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 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5330-01-019-3233
Primary Part Number21101
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Outside Diameter2.879 INCHES NOMINAL IN
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter2.875 INCHES NOMINAL IN
Seal Width0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Surface TreatmentPLASTIC CASE
Sealing Element StyleANGULAR
Case StyleRECESSED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5365-00-214-263421101 INTERCHANGEABLE
Shim,bearing Spacer
Industrial Technologies and Services Llc
5945-00-405-4034UV400S3 INTERCHANGEABLE
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5120-00-449-80832205 INTERCHANGEABLE
Wrench,adjustable
Reed Manufacturing Company
2835-00-654-67961620C163 INTERCHANGEABLE
Pinion and Gear Ass
Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
1660-00-736-790721101 INTERCHANGEABLE
Cover,regulator Ass
Avox Systems Inc Dba Avox Systems Inc
6130-00-849-837721-101 INTERCHANGEABLE
Power Supply
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5965-00-946-2021215-330-001-694 INTERCHANGEABLE
Microphone Element
Roanwell, Llc
3433-00-946-95520330-0006 INTERCHANGEABLE
Tip,cutting Torch
Victor Equipment Co
4820-01-016-5050 INTERCHANGEABLE
Disk,valve
5330-01-067-9691 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
678C73-6-9 Radocy P a and Sons Inc (USA)
B7066 PIECE NO. 5 Rix Industries (USA)
ASEL1001-1 Rix Industries (USA)
21101 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5365-00-214-2634INTERCHANGEABLE
SHIM,BEARING SPACER
21101
5945-00-405-4034INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
UV400S3
5120-00-449-8083INTERCHANGEABLE
WRENCH,ADJUSTABLE
2205
2835-00-654-6796INTERCHANGEABLE
PINION AND GEAR ASS
1620C163
1660-00-736-7907INTERCHANGEABLE
COVER,REGULATOR ASS
21101
6130-00-849-8377INTERCHANGEABLE
POWER SUPPLY
21-101
5965-00-946-2021INTERCHANGEABLE
MICROPHONE ELEMENT
215-330-001-694
3433-00-946-9552INTERCHANGEABLE
TIP,CUTTING TORCH
0330-0006
4820-01-016-5050INTERCHANGEABLE
DISK,VALVE
5330-01-067-9691INTERCHANGEABLE
SEAL,PLAIN ENCASED
3433-01-266-3715INTERCHANGEABLE
TIP,CUTTING TORCH
5355-01-372-5692INTERCHANGEABLE
KNOB
21101

Frequently Asked Questions

What is NSN 5330-01-019-3233?

NSN 5330-01-019-3233 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 5330-01-019-3233?

NSN 5330-01-019-3233 has 4 cross-referenced part numbers: 678C73-6-9 (Radocy P a and Sons Inc), B7066 PIECE NO. 5 (Rix Industries), ASEL1001-1 (Rix Industries), 21101 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-019-3233?

There are 12 known substitutes for 5330-01-019-3233: 5365-00-214-2634, 5945-00-405-4034, 5120-00-449-8083 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21101?

Key specifications for 21101: Outside Diameter: 2.879 INCHES NOMINAL IN; Accommodated Shaft Diameter: 2.125 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Housing Bore Diameter: 2.875 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-01-019-3233 still in active supply?

NSN 5330-01-019-3233 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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