PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25271-821Seal Assembly,shaft,spring Loade

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-01-218-8639 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-218-8639 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-218-8639. Primary manufacturer part number: 25271-821.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • 1 verified cross-reference
  • 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 4320-01-218-8639, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersThe Gorman-Rupp Company Div Gorman-Rupp (CAGE 25567)
Technical Specifications
ParameterValue
NSN4320-01-218-8639
Primary Part Number25271-821
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-01-223-7103 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
1730-01-311-02032527182-1 INTERCHANGEABLE
Cover,winch
Aerocontrolex Group, Inc. Div Talley Actuators
Cross-Reference Index
Part NumberManufacturer
25271-821 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
4320-01-223-7103INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
1730-01-311-0203INTERCHANGEABLE
COVER,WINCH
2527182-1

Frequently Asked Questions

What is NSN 4320-01-218-8639?

NSN 4320-01-218-8639 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 4320-01-218-8639?

NSN 4320-01-218-8639 has 1 cross-referenced part number: 25271-821 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 4320-01-218-8639?

There are 2 known substitutes for 4320-01-218-8639: 4320-01-223-7103, 1730-01-311-0203. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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