PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11843Seal,plain Encased

Plesium SL · NSN 5330-00-350-9946 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-350-9946 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-350-9946. Primary manufacturer part number: 11843.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 3.2505 INCHES MINIMUM AND 3.2535 INCHES MAXIMUM IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Seal Width: 0.469 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 2.125 INCHES NOMINAL 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 5330-00-350-9946, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Plesium SL. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-350-9946
Primary Part Number11843
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPlesium SL
StatusACTIVE
Housing Bore Diameter3.2505 INCHES MINIMUM AND 3.2535 INCHES MAXIMUM IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.469 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Case StyleSQUARE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter2.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-154-8209 INTERCHANGEABLE
Seal,plain Encased
3110-00-156-4699 INTERCHANGEABLE
Bearing,ball,annular
5330-00-291-90482186197 INTERCHANGEABLE
Seal,plain Encased
Rolls-Royce Solutions America Inc
2990-00-441-7634 INTERCHANGEABLE
Muffler,exhaust
5950-00-448-0359 INTERCHANGEABLE
Reactor
5355-00-538-6387 INTERCHANGEABLE
Window,dial
6685-01-024-155911843 INTERCHANGEABLE
Control,temperature,indicating
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6685-01-179-015411843 INTERCHANGEABLE
Hygrometer,dial Indicating
Munters Corporation Dba Munters Des Champs Products Div Cargocaire
7320-01-187-1534 INTERCHANGEABLE
Agitator,mixing Machine
4820-01-593-851911-843 INTERCHANGEABLE
Valve,safety Relief
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
11843 Plesium SL (ESP)
RE.CR21270 Anortec SL (ESP)
00044TY1CASETY2B Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
RE.CR21270 Plesium SL (ESP)
Related Parts
5330-00-154-8209INTERCHANGEABLE
SEAL,PLAIN ENCASED
3110-00-156-4699INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-291-9048INTERCHANGEABLE
SEAL,PLAIN ENCASED
2186197
2990-00-441-7634INTERCHANGEABLE
MUFFLER,EXHAUST
5950-00-448-0359INTERCHANGEABLE
REACTOR
5355-00-538-6387INTERCHANGEABLE
WINDOW,DIAL
6685-01-024-1559INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
11843
6685-01-179-0154INTERCHANGEABLE
HYGROMETER,DIAL INDICATING
11843
7320-01-187-1534INTERCHANGEABLE
AGITATOR,MIXING MACHINE
4820-01-593-8519INTERCHANGEABLE
VALVE,SAFETY RELIEF
11-843
5365-01-618-8530INTERCHANGEABLE
SPACER,SPECIAL SHAPED
11843

Frequently Asked Questions

What is NSN 5330-00-350-9946?

NSN 5330-00-350-9946 is a Seal,plain Encased, manufactured by Plesium SL, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-350-9946?

NSN 5330-00-350-9946 has 4 cross-referenced part numbers: 11843 (Plesium SL), RE.CR21270 (Anortec SL), 00044TY1CASETY2B (Defense Logistics Agency Dba Defense Supply Center Philadelphia), RE.CR21270 (Plesium SL).

What NSN replaces 5330-00-350-9946?

There are 11 known substitutes for 5330-00-350-9946: 5330-00-154-8209, 3110-00-156-4699, 5330-00-291-9048 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11843?

Key specifications for 11843: Housing Bore Diameter: 3.2505 INCHES MINIMUM AND 3.2535 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Seal Width: 0.469 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN; 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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