PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146-6Seal,plain Encased

Mack Trucks Inc Parts Opn · NSN 5330-00-285-3330 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-285-3330 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-285-3330. Primary manufacturer part number: 146-6.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
  • Accommodated Shaft Maximum Rated Speed: 1600 FEET PER MINUTE FT
  • Case Style: SQUARE
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Diameter: 0.906 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.376 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
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 5330-00-285-3330, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-285-3330
Primary Part Number146-6
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMack Trucks Inc Parts Opn
StatusACTIVE
Housing Bore Diameter1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Accommodated Shaft Maximum Rated Speed1600 FEET PER MINUTE FT
Case StyleSQUARE
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Diameter0.906 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Seal Width0.376 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-156-7196MS77072-2 INTERCHANGEABLE
Terminal,lug
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5940-00-204-78001180-102 INTERCHANGEABLE
Terminal,lug
Dne Technologies, Inc
3424-00-254-8849 INTERCHANGEABLE
Furnace,heat Treating,electric
5945-00-274-5686 INTERCHANGEABLE
Relay,electromagnetic
3020-00-287-8771 INTERCHANGEABLE
Gear,spur
5360-00-507-539313205 INTERCHANGEABLE
Spring,helical,compression
Mid-America Aerotech, Llc
5305-00-514-7484SC-B-69671 INTERCHANGEABLE
Screw,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-592-16812265699 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5365-00-598-53221466 INTERCHANGEABLE
Bushing,nonmetallic
A. O. Smith Corporation Dba a O Smith Corp
1680-00-630-745550207 INTERCHANGEABLE
Parts Kit,actuator,
Meggitt North Hollywood Inc
Cross-Reference Index
Part NumberManufacturer
1871382 General Motors Corp (USA)
43-1088 Federal-Mogul Corp Chassis Products Div (USA)
1871382 General Motors Corp Delco Remy Div (USA)
146-6 PRIMARY Mack Trucks Inc Parts Opn (USA)
50207K Federal-Mogul Corp Government Sales Dept (USA)
50207 Federal-Mogul Corp Chassis Products Div (USA)
1871382 General Motors Llc Dba General Motors Llc (USA)
60211 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
13205 Kriser Corp
146-6 PRIMARY Heil Environmental Industries (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
1871382 PRIMARY Borgwarner Pds (anderson), L.l.c. (USA)
Related Parts
5940-00-156-7196INTERCHANGEABLE
TERMINAL,LUG
MS77072-2
5940-00-204-7800INTERCHANGEABLE
TERMINAL,LUG
1180-102
3424-00-254-8849INTERCHANGEABLE
FURNACE,HEAT TREATING,ELECTRIC
5945-00-274-5686INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3020-00-287-8771INTERCHANGEABLE
GEAR,SPUR
5360-00-507-5393INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13205
5305-00-514-7484INTERCHANGEABLE
SCREW,MACHINE
SC-B-69671
5930-00-592-1681INTERCHANGEABLE
SWITCH,ROTARY
2265699
5365-00-598-5322INTERCHANGEABLE
BUSHING,NONMETALLIC
1466
1680-00-630-7455INTERCHANGEABLE
PARTS KIT,ACTUATOR,
50207
5930-00-636-2408INTERCHANGEABLE
SWITCH,LEVER
6625-00-691-6599INTERCHANGEABLE
ADAPTER,TEST
10

Frequently Asked Questions

What is NSN 5330-00-285-3330?

NSN 5330-00-285-3330 is a Seal,plain Encased, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-285-3330?

NSN 5330-00-285-3330 has 12 cross-referenced part numbers: 1871382 (General Motors Corp), 43-1088 (Federal-Mogul Corp Chassis Products Div), 1871382 (General Motors Corp Delco Remy Div), 146-6 (Mack Trucks Inc Parts Opn), 50207K (Federal-Mogul Corp Government Sales Dept) and 7 more.

What NSN replaces 5330-00-285-3330?

There are 12 known substitutes for 5330-00-285-3330: 5940-00-156-7196, 5940-00-204-7800, 3424-00-254-8849 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 146-6?

Key specifications for 146-6: Housing Bore Diameter: 1.498 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 1600 FEET PER MINUTE FT; Case Style: SQUARE; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT. 7 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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