PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

785BM612Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-285-4280 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-285-4280 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-285-4280. Primary manufacturer part number: 785BM612.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 6.375 INCHES NOMINAL IN
  • Housing Bore Diameter: 7.875 INCHES NOMINAL IN
  • Seal Width: 0.812 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Material: RUBBER SYNTHETIC SEALING ELEMENT A
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-285-4280, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-285-4280
Primary Part Number785BM612
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter6.375 INCHES NOMINAL IN
Housing Bore Diameter7.875 INCHES NOMINAL IN
Seal Width0.812 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-01-205-3164 INTERCHANGEABLE
Bumper
5331-01-269-8579235110 INTERCHANGEABLE
O-Ring
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
785BM612 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
235110 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
HD6845 American Standard Inc Westinghouse Air Brake Co Div (USA)
Related Parts
5340-01-205-3164INTERCHANGEABLE
BUMPER
5331-01-269-8579INTERCHANGEABLE
O-RING
235110

Frequently Asked Questions

What is NSN 5330-00-285-4280?

NSN 5330-00-285-4280 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 5330-00-285-4280?

NSN 5330-00-285-4280 has 3 cross-referenced part numbers: 785BM612 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 235110 (Federal-Mogul Corp Government Sales Dept), HD6845 (American Standard Inc Westinghouse Air Brake Co Div).

What NSN replaces 5330-00-285-4280?

There are 2 known substitutes for 5330-00-285-4280: 5340-01-205-3164, 5331-01-269-8579. Verify interchangeability with system specifications before substitution.

What are the specifications of 785BM612?

Key specifications for 785BM612: Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 6.375 INCHES NOMINAL IN; Housing Bore Diameter: 7.875 INCHES NOMINAL IN; Seal Width: 0.812 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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