PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1828Seal Assembly,shaft,spring Loade

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-920-0254 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-920-0254 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-920-0254. Primary manufacturer part number: S1828.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: CARBON FACE; CAST IRON SEAT; RUBBER SYNTHETIC /BUNA N PARTS; SPRING
  • 3 verified cross-references
  • Primary manufacturer: The Gorman-Rupp Company Div Gorman-Rupp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-920-0254, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-920-0254
Primary Part NumberS1828
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
General Characteristics Item DescriptionCARBON FACE; CAST IRON SEAT; RUBBER SYNTHETIC /BUNA N PARTS; SPRING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-299-61261828 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
Cross-Reference Index
Part NumberManufacturer
CFSP-19557 John Crane, Inc (USA)
S1828 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
M05557 John Crane, Inc (USA)
Related Parts
6240-00-299-6126INTERCHANGEABLE
LAMP,INCANDESCENT
1828

Frequently Asked Questions

What is NSN 4320-00-920-0254?

NSN 4320-00-920-0254 is a Seal Assembly,shaft,spring Loade, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-920-0254?

NSN 4320-00-920-0254 has 3 cross-referenced part numbers: CFSP-19557 (John Crane, Inc), S1828 (The Gorman-Rupp Company Div Gorman-Rupp), M05557 (John Crane, Inc).

What NSN replaces 4320-00-920-0254?

There is 1 known substitute for 4320-00-920-0254: 6240-00-299-6126. Verify interchangeability with system specifications before substitution.

What are the specifications of S1828?

Key specifications for S1828: General Characteristics Item Description: CARBON FACE; CAST IRON SEAT; RUBBER SYNTHETIC /BUNA N PARTS; SPRING. 1 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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