PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509-0012Seal,plain Encased

Cummins Power Generation Inc. · NSN 5330-00-527-7323 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-527-7323 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-527-7323. Primary manufacturer part number: 509-0012.
Features
  • Seal,plain Encased — FSC 5330
  • Material: STEEL CASE
  • Accommodated Shaft Diameter: 1.062 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.562 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-527-7323, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-527-7323
Primary Part Number509-0012
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusCANCELLED
MaterialSTEEL CASE
Accommodated Shaft Diameter1.062 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Case StyleSQUARE
Sealing Element StyleANGULAR
Seal Width0.375 INCHES NOMINAL IN
Housing Bore Diameter1.562 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4730-00-289-1254SAE J512 6-4 040102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5360-00-351-7968SCB69326-2 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-426-0717509-0012 INTERCHANGEABLE
Valve,ball
Tyco Fire Products Lp
5315-00-442-60762474 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace, Llc Dba Jackson South
6220-01-071-402350912 INTERCHANGEABLE
Stop Light-Taillight,vehicular
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5935-01-088-0999 INTERCHANGEABLE
Guide,electrical Connector
5342-01-127-103450912 INTERCHANGEABLE
Spring Housing
Waterous Company
5330-01-186-4342HYD2Q175 INTERCHANGEABLE
Seal,plain Encased
Pentair Pump Group, Inc. Dba Fairbanks Morse Pump
5330-01-425-6301090002223 INTERCHANGEABLE
Seal,plain Encased
Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions
Cross-Reference Index
Part NumberManufacturer
509-12 Cummins Power Generation Inc. (USA)
50188S Federal-Mogul Corp Chassis Products Div (USA)
59B12 Cummins Power Generation Inc. (USA)
509-0012 PRIMARY Cummins Power Generation Inc. (USA)
Related Parts
4730-00-289-1254INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 6-4 040102B
5360-00-351-7968INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SCB69326-2
4820-00-426-0717INTERCHANGEABLE
VALVE,BALL
509-0012
5315-00-442-6076INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2474
6220-01-071-4023INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
50912
5935-01-088-0999INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
5342-01-127-1034INTERCHANGEABLE
SPRING HOUSING
50912
5330-01-186-4342INTERCHANGEABLE
SEAL,PLAIN ENCASED
HYD2Q175
5330-01-425-6301INTERCHANGEABLE
SEAL,PLAIN ENCASED
090002223

Frequently Asked Questions

What is NSN 5330-00-527-7323?

NSN 5330-00-527-7323 is a Seal,plain Encased, manufactured by Cummins Power Generation Inc., classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-527-7323?

NSN 5330-00-527-7323 has 4 cross-referenced part numbers: 509-12 (Cummins Power Generation Inc.), 50188S (Federal-Mogul Corp Chassis Products Div), 59B12 (Cummins Power Generation Inc.), 509-0012 (Cummins Power Generation Inc.).

What NSN replaces 5330-00-527-7323?

There are 9 known substitutes for 5330-00-527-7323: 4730-00-289-1254, 5360-00-351-7968, 4820-00-426-0717 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 509-0012?

Key specifications for 509-0012: Material: STEEL CASE; Accommodated Shaft Diameter: 1.062 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT; Case Style: SQUARE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-527-7323 still in active supply?

NSN 5330-00-527-7323 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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