PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PK5230Seal,plain Encased

United Technologies Corp Electro Systems Inc · NSN 5330-00-285-9442 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-285-9442 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-285-9442. Primary manufacturer part number: PK5230.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
  • Accommodated Shaft Diameter: 0.594 INCHES NOMINAL IN
  • Housing Bore Diameter: 1.124 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-285-9442, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-285-9442
Primary Part NumberPK5230
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerUnited Technologies Corp Electro Systems Inc
StatusCANCELLED
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
Seal Width0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Accommodated Shaft Diameter0.594 INCHES NOMINAL IN
Housing Bore Diameter1.124 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-021-7849 INTERCHANGEABLE
Transistor
3110-00-173-50845524F INTERCHANGEABLE
Bearing,ball,thrust
Oshkosh Defense Llc
3110-00-227-41652062-14BP5904A INTERCHANGEABLE
Bearing,ball,thrust
Federal-Mogul Corp Government Sales Dept
5960-00-262-16935925 INTERCHANGEABLE
Electron Tube
Cpi Electron Device Business, Inc.
5935-00-262-32795927 INTERCHANGEABLE
Connector,receptacle,electrical
Southconn Technologies Inc Dba Ripley Photocontrols
4730-00-278-9366 INTERCHANGEABLE
Spud,water Closet
6105-00-359-50576867M5 INTERCHANGEABLE
Motor,alternating Current
Electric Apparatus Company
3120-00-424-541711-119 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
6685-00-562-79026-01464 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Sigma Products & Mfg
3120-00-674-609011119 INTERCHANGEABLE
Bearing,monitor
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
PK524 Ambac International Corporation Div Ambac International (USA)
PK5230 PRIMARY United Technologies Corp Electro Systems Inc (USA)
11119 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
PK5230 Ambac International Corporation Div Ambac International (USA)
9F4937 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
PK524 PRIMARY United Technologies Corp Electro Systems Inc (USA)
5925 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5961-00-021-7849INTERCHANGEABLE
TRANSISTOR
3110-00-173-5084INTERCHANGEABLE
BEARING,BALL,THRUST
5524F
3110-00-227-4165INTERCHANGEABLE
BEARING,BALL,THRUST
2062-14BP5904A
5960-00-262-1693INTERCHANGEABLE
ELECTRON TUBE
5925
5935-00-262-3279INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5927
4730-00-278-9366INTERCHANGEABLE
SPUD,WATER CLOSET
6105-00-359-5057INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6867M5
3120-00-424-5417INTERCHANGEABLE
BEARING,SLEEVE
11-119
6685-00-562-7902INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6-01464
3120-00-674-6090INTERCHANGEABLE
BEARING,MONITOR
11119
5325-01-037-5384INTERCHANGEABLE
RING,RETAINING
11119
5935-01-045-9292INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
5925

Frequently Asked Questions

What is NSN 5330-00-285-9442?

NSN 5330-00-285-9442 is a Seal,plain Encased, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-285-9442?

NSN 5330-00-285-9442 has 7 cross-referenced part numbers: PK524 (Ambac International Corporation Div Ambac International), PK5230 (United Technologies Corp Electro Systems Inc), 11119 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), PK5230 (Ambac International Corporation Div Ambac International), 9F4937 (Caterpillar Inc Div Caterpillar Defense) and 2 more.

What NSN replaces 5330-00-285-9442?

There are 12 known substitutes for 5330-00-285-9442: 5961-00-021-7849, 3110-00-173-5084, 3110-00-227-4165 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PK5230?

Key specifications for PK5230: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Sealing Element Style: ANGULAR; Seal Width: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Accommodated Shaft Diameter: 0.594 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-285-9442 still in active supply?

NSN 5330-00-285-9442 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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