PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20596Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-211-5058 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-211-5058 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-211-5058. Primary manufacturer part number: 20596.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 2.061 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR-OPPOSED
  • Housing Bore Diameter: 3.000 INCHES NOMINAL IN
  • Seal Width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE CASE
  • Case Style: SQUARE
  • Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEALING ELEMENT B
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Polymethylene-Perfluoroalkylene Class Fkm Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-211-5058, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-211-5058
Primary Part Number20596
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter2.061 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
Sealing Element StyleANGULAR-OPPOSED
Housing Bore Diameter3.000 INCHES NOMINAL IN
Seal Width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE CASE
Case StyleSQUARE
MaterialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM SEALING ELEMENT B
MaterialSTEEL CASE
Surface Treatment Document and ClassificationQQ-P-416 TYPE 2 CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-P-416 TYPE 3 CLASS 2 FED SPEC 2ND TREATMENT RESPONSE CASE
Outside Diameter3.005 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3020-00-012-0073G51-60 INTERCHANGEABLE
Gear,spur
Roller Bearing Co of America, Inc Div Pic Design
5360-00-298-1915 INTERCHANGEABLE
Spring,helical,compression
3120-00-311-82011472 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace, Llc Dba Jackson South
5935-00-552-2879 INTERCHANGEABLE
Connector,receptacle,electrical
5940-00-617-289610015429-48 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
5950-00-708-8388 INTERCHANGEABLE
Transformer,pulse
5330-00-797-838920599 INTERCHANGEABLE
Packing,preformed
Eaton Corporation Div Eaton Fluid Power
4320-01-184-215620596 INTERCHANGEABLE
Port Plate
Real-Time Laboratories, Llc
1650-01-434-900220599 INTERCHANGEABLE
Head,linear Actuating Cylinder
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
3010-01-529-901620-596 INTERCHANGEABLE
Gear Assembly,speed Increaser
Natural Gas Solutions North America Llc Div Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
9340533 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
20599 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
20596 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
3020-00-012-0073INTERCHANGEABLE
GEAR,SPUR
G51-60
5360-00-298-1915INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3120-00-311-8201INTERCHANGEABLE
BEARING,SLEEVE
1472
5935-00-552-2879INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5940-00-617-2896INTERCHANGEABLE
TERMINAL,LUG
10015429-48
5950-00-708-8388INTERCHANGEABLE
TRANSFORMER,PULSE
5330-00-797-8389INTERCHANGEABLE
PACKING,PREFORMED
20599
4320-01-184-2156INTERCHANGEABLE
PORT PLATE
20596
1650-01-434-9002INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
20599
3010-01-529-9016INTERCHANGEABLE
GEAR ASSEMBLY,SPEED INCREASER
20-596
5120-01-623-5288INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
20599

Frequently Asked Questions

What is NSN 5330-01-211-5058?

NSN 5330-01-211-5058 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 5330-01-211-5058?

NSN 5330-01-211-5058 has 3 cross-referenced part numbers: 9340533 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 20599 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 20596 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-211-5058?

There are 11 known substitutes for 5330-01-211-5058: 3020-00-012-0073, 5360-00-298-1915, 3120-00-311-8201 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20596?

Key specifications for 20596: Accommodated Shaft Diameter: 2.061 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 3.000 INCHES NOMINAL IN; Seal Width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 10 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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