PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53775Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-042-8647 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-042-8647 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-042-8647. Primary manufacturer part number: 53775.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 6.750 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 5.375 INCHES NOMINAL IN
  • Outside Diameter: 6.756 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT
  • Material: STEEL CASE
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
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 5330-00-042-8647, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-042-8647
Primary Part Number53775
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Housing Bore Diameter6.750 INCHES NOMINAL IN
Accommodated Shaft Diameter5.375 INCHES NOMINAL IN
Outside Diameter6.756 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT
MaterialSTEEL CASE
Case StyleSQUARE
Sealing Element StyleANGULAR
Surface TreatmentPLASTIC CASE
Seal Width0.625 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5355-00-320-904553775 INTERCHANGEABLE
Knob
L3harris Technologies, Inc Div Space & Airborne Systems
5841-00-432-0449504-7925-002 INTERCHANGEABLE
Post
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
1630-01-333-1843537-5 INTERCHANGEABLE
Heat Shield,wheel,aircraft
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
1630-01-467-2013537-75 INTERCHANGEABLE
Heat Shield,wheel,aircraft
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
53775 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5355-00-320-9045INTERCHANGEABLE
KNOB
53775
5841-00-432-0449INTERCHANGEABLE
POST
504-7925-002
1630-01-333-1843INTERCHANGEABLE
HEAT SHIELD,WHEEL,AIRCRAFT
537-5
1630-01-467-2013INTERCHANGEABLE
HEAT SHIELD,WHEEL,AIRCRAFT
537-75

Frequently Asked Questions

What is NSN 5330-00-042-8647?

NSN 5330-00-042-8647 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 5330-00-042-8647?

NSN 5330-00-042-8647 has 1 cross-referenced part number: 53775 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-042-8647?

There are 4 known substitutes for 5330-00-042-8647: 5355-00-320-9045, 5841-00-432-0449, 1630-01-333-1843 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53775?

Key specifications for 53775: Housing Bore Diameter: 6.750 INCHES NOMINAL IN; Accommodated Shaft Diameter: 5.375 INCHES NOMINAL IN; Outside Diameter: 6.756 INCHES NOMINAL IN; Material: LEATHER SEALING ELEMENT. 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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