PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53R012Seal,plain Encased

Ferguson Mfg and Equipment Co Inc · NSN 5330-00-852-5693 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-852-5693 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-852-5693. Primary manufacturer part number: 53R012.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.438 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Outside Diameter: 3.548 INCHES NOMINAL IN
  • Housing Bore Diameter: 3.543 INCHES NOMINAL IN
  • Temp Rating: -65.0 CELSIUS AND 225.0 CELSIUS DEGC
  • Surface Treatment: PLASTIC CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
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 5330-00-852-5693, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ferguson Mfg and Equipment Co Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-852-5693
Primary Part Number53R012
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFerguson Mfg and Equipment Co Inc
StatusCANCELLED
Seal Width0.438 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Outside Diameter3.548 INCHES NOMINAL IN
Housing Bore Diameter3.543 INCHES NOMINAL IN
Temp Rating-65.0 CELSIUS AND 225.0 CELSIUS DEGC
Surface TreatmentPLASTIC CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Attachment MethodCEMENTED
MaterialSTEEL CORROSION RESISTING CASE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Accommodated Shaft Diameter2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5360-00-430-2119P25043 INTERCHANGEABLE
Spring,helical,compression
Skil Corp
3020-00-528-0176 INTERCHANGEABLE
Pulley,flat
5133-00-555-3610 INTERCHANGEABLE
Cutter,hole Forming,drive Shank
4820-00-684-67172-5043 INTERCHANGEABLE
Ring
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5133-01-480-2018 INTERCHANGEABLE
Cutter,hole Forming,drive Shank
Cross-Reference Index
Part NumberManufacturer
25043 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
53R012 PRIMARY Ferguson Mfg and Equipment Co Inc (USA)
Related Parts
5360-00-430-2119INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
P25043
3020-00-528-0176INTERCHANGEABLE
PULLEY,FLAT
5133-00-555-3610INTERCHANGEABLE
CUTTER,HOLE FORMING,DRIVE SHANK
4820-00-684-6717INTERCHANGEABLE
RING
2-5043
5133-01-480-2018INTERCHANGEABLE
CUTTER,HOLE FORMING,DRIVE SHANK

Frequently Asked Questions

What is NSN 5330-00-852-5693?

NSN 5330-00-852-5693 is a Seal,plain Encased, manufactured by Ferguson Mfg and Equipment Co Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-852-5693?

NSN 5330-00-852-5693 has 2 cross-referenced part numbers: 25043 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 53R012 (Ferguson Mfg and Equipment Co Inc).

What NSN replaces 5330-00-852-5693?

There are 5 known substitutes for 5330-00-852-5693: 5360-00-430-2119, 3020-00-528-0176, 5133-00-555-3610 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53R012?

Key specifications for 53R012: Seal Width: 0.438 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Outside Diameter: 3.548 INCHES NOMINAL IN; Housing Bore Diameter: 3.543 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-852-5693 still in active supply?

NSN 5330-00-852-5693 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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