PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91818Seal,plain Encased

Alliance Laundry Systems Llc · NSN 5330-00-621-4872 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-621-4872 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-621-4872. Primary manufacturer part number: 91818.
Features
  • Seal,plain Encased — FSC 5330
  • Material Document and Classification: AISI 302 ASSN STD 1ST MATERIAL RESPONSE OR AISI 304 ASSN STD 2ND MATERIAL RESPONSE CASE
  • Material Document and Classification: A30400,FSCM 91532 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
  • Material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
  • Accommodated Shaft Diameter: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
  • Case Style: SQUARE
  • Sealing Element Style: VERTICAL
  • Housing Bore Diameter: 3.188 INCHES MINIMUM AND 3.190 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-621-4872, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alliance Laundry Systems Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-621-4872
Primary Part Number91818
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAlliance Laundry Systems Llc
StatusACTIVE
Material Document and ClassificationAISI 302 ASSN STD 1ST MATERIAL RESPONSE OR AISI 304 ASSN STD 2ND MATERIAL RESPONSE CASE
Material Document and ClassificationA30400,FSCM 91532 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialRUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT
Accommodated Shaft Diameter1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
Case StyleSQUARE
Sealing Element StyleVERTICAL
Housing Bore Diameter3.188 INCHES MINIMUM AND 3.190 INCHES MAXIMUM IN
Seal Width0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OR STEEL COMP 304 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-189-9263 INTERCHANGEABLE
Drill,twist
5820-00-255-2687455 INTERCHANGEABLE
Translator Data
Scientific Atlanta Inc
5306-00-622-47901664346 INTERCHANGEABLE
Bolt,shoulder
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
91818 PRIMARY Alliance Laundry Systems Llc (USA)
91818 Mcgraw-Edison Co Laundry Products (USA)
Related Parts
5133-00-189-9263INTERCHANGEABLE
DRILL,TWIST
5820-00-255-2687INTERCHANGEABLE
TRANSLATOR DATA
455
5306-00-622-4790INTERCHANGEABLE
BOLT,SHOULDER
1664346

Frequently Asked Questions

What is NSN 5330-00-621-4872?

NSN 5330-00-621-4872 is a Seal,plain Encased, manufactured by Alliance Laundry Systems Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-621-4872?

NSN 5330-00-621-4872 has 2 cross-referenced part numbers: 91818 (Alliance Laundry Systems Llc), 91818 (Mcgraw-Edison Co Laundry Products).

What NSN replaces 5330-00-621-4872?

There are 3 known substitutes for 5330-00-621-4872: 5133-00-189-9263, 5820-00-255-2687, 5306-00-622-4790. Verify interchangeability with system specifications before substitution.

What are the specifications of 91818?

Key specifications for 91818: Material Document and Classification: AISI 302 ASSN STD 1ST MATERIAL RESPONSE OR AISI 304 ASSN STD 2ND MATERIAL RESPONSE CASE; Material Document and Classification: A30400,FSCM 91532 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT; Material: RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT; Accommodated Shaft Diameter: 1.873 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN. 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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