PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RM146-33Seal,plain Encased

Heil Environmental Industries · NSN 5330-00-641-2183 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-2183 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-2183. Primary manufacturer part number: RM146-33.
Features
  • Seal,plain Encased — FSC 5330
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Housing Bore Diameter: 6.251 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Sealing Element Style: ANGULAR
  • Material: LEATHER SEALING ELEMENT A
  • Case Style: SQUARE
  • Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS
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 5330-00-641-2183, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Environmental Industries. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-641-2183
Primary Part NumberRM146-33
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHeil Environmental Industries
StatusACTIVE
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
Housing Bore Diameter6.251 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Sealing Element StyleANGULAR
MaterialLEATHER SEALING ELEMENT A
Case StyleSQUARE
Maximum Pressure Rating7.0 POUNDS PER SQUARE INCH (PSI) LBS
Seal Width0.531 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
Accommodated Shaft Diameter4.937 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5990-00-112-244055069 INTERCHANGEABLE
Synchro,transmitter
Bowmar Llc Dba Bowmar Instrument Corp
6625-00-133-7914 INTERCHANGEABLE
Test Set Subassembly,electrical
3110-00-155-8930067-4 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5330-00-194-597261344 INTERCHANGEABLE
Seal,plain Encased
Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company
6105-00-433-55915525-4A INTERCHANGEABLE
Motor,alternating Current
Western Sky Industries Inc Dba Electromech Techologies
3020-00-617-7733 INTERCHANGEABLE
Pulley,groove
5330-00-776-2693 INTERCHANGEABLE
Felt,mechanical,preformed
5940-00-984-805355069 INTERCHANGEABLE
Terminal,lug
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5325-01-369-010361344 INTERCHANGEABLE
Receptacle,positive Lock
Meggitt (new Hampshire), Inc
Cross-Reference Index
Part NumberManufacturer
RM146-33 PRIMARY Heil Environmental Industries (USA)
53X2901 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
613144 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
55069 Federal-Mogul Corp Chassis Products Div (USA)
LL2292 Vme Americas Inc Sub of Vme Group N V (USA)
301ST262 Vme Americas Inc Sub of Vme Group N V (USA)
LL2292 Volvo Construction Equipment North America, Llc (USA)
301ST262 Volvo Construction Equipment North America, Llc (USA)
61344 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
Related Parts
5990-00-112-2440INTERCHANGEABLE
SYNCHRO,TRANSMITTER
55069
6625-00-133-7914INTERCHANGEABLE
TEST SET SUBASSEMBLY,ELECTRICAL
3110-00-155-8930INTERCHANGEABLE
BEARING,BALL,ANNULAR
067-4
5330-00-194-5972INTERCHANGEABLE
SEAL,PLAIN ENCASED
61344
6105-00-433-5591INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5525-4A
3020-00-617-7733INTERCHANGEABLE
PULLEY,GROOVE
5330-00-776-2693INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
5940-00-984-8053INTERCHANGEABLE
TERMINAL,LUG
55069
5325-01-369-0103INTERCHANGEABLE
RECEPTACLE,POSITIVE LOCK
61344

Frequently Asked Questions

What is NSN 5330-00-641-2183?

NSN 5330-00-641-2183 is a Seal,plain Encased, manufactured by Heil Environmental Industries, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-641-2183?

NSN 5330-00-641-2183 has 9 cross-referenced part numbers: RM146-33 (Heil Environmental Industries), 53X2901 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 613144 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 55069 (Federal-Mogul Corp Chassis Products Div), LL2292 (Vme Americas Inc Sub of Vme Group N V) and 4 more.

What NSN replaces 5330-00-641-2183?

There are 9 known substitutes for 5330-00-641-2183: 5990-00-112-2440, 6625-00-133-7914, 3110-00-155-8930 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RM146-33?

Key specifications for RM146-33: Material: RUBBER SYNTHETIC SEALING ELEMENT B; Housing Bore Diameter: 6.251 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Sealing Element Style: ANGULAR. 9 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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