PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GS1000Seal Assembly,shaft,spring Loade

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-427-7476 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-427-7476 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-427-7476. Primary manufacturer part number: GS1000.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: 2.375 IN. O/A LG,CONSISTS OF SEAL RING 2,WASHER 2,SPRING 1,SPACER SLEEVE 1,SHIM SET 1,SHIM 5,SEAL CONE 2,PACKING RING 2 IN
  • 6 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 4320-00-427-7476, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-427-7476
Primary Part NumberGS1000
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusCANCELLED
General Characteristics Item Description2.375 IN. O/A LG,CONSISTS OF SEAL RING 2,WASHER 2,SPRING 1,SPACER SLEEVE 1,SHIM SET 1,SHIM 5,SEAL CONE 2,PACKING RING 2 IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-152-1147 INTERCHANGEABLE
Box Connector,electrical
5305-00-208-74592434 INTERCHANGEABLE
Screw,cap,socket Head
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
2825-00-339-44962434 INTERCHANGEABLE
Bearing Assy
Northrop Grumman Systems Corporation Div Marine Systems
7330-00-462-7250 INTERCHANGEABLE
Bottle,vacuum
3040-00-529-5726 INTERCHANGEABLE
Shaft,drive,flexible
6515-00-532-83842134 INTERCHANGEABLE
Syringe,hypodermic
Becton, Dickinson and Co Dba Becton Dickinson & Co
4920-00-708-31002434 INTERCHANGEABLE
Weight,adjustable
Marvel Manufacturing Co Div the Marvel Manufacturing Company
5310-00-775-51392434 INTERCHANGEABLE
Washer,lock
Prestolite Electric Inc
6625-01-138-98072353049-1 INTERCHANGEABLE
Ammeter
Raytheon Company Dba Raytheon
4720-01-210-0359A805-04 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
GRW15 The Gorman-Rupp Company Div Gorman-Rupp (USA)
1000 The Gorman-Rupp Company Div Gorman-Rupp (USA)
GS1000 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
1000GS The Gorman-Rupp Company Div Gorman-Rupp (USA)
1000 Trench and Marine Pump Co Inc P O Box 543 Bronx Ny 10456-0525 (USA)
2434 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
Related Parts
5975-00-152-1147INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5305-00-208-7459INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
2434
2825-00-339-4496INTERCHANGEABLE
BEARING ASSY
2434
7330-00-462-7250INTERCHANGEABLE
BOTTLE,VACUUM
3040-00-529-5726INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
6515-00-532-8384INTERCHANGEABLE
SYRINGE,HYPODERMIC
2134
4920-00-708-3100INTERCHANGEABLE
WEIGHT,ADJUSTABLE
2434
5310-00-775-5139INTERCHANGEABLE
WASHER,LOCK
2434
6625-01-138-9807INTERCHANGEABLE
AMMETER
2353049-1
4720-01-210-0359INTERCHANGEABLE
HOSE,NONMETALLIC
A805-04
4820-01-225-0947INTERCHANGEABLE
VALVE,GLOBE
2-434
5307-01-294-6785INTERCHANGEABLE
STUD,PLAIN
2434

Frequently Asked Questions

What is NSN 4320-00-427-7476?

NSN 4320-00-427-7476 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: cancelled.

What are the part numbers for NSN 4320-00-427-7476?

NSN 4320-00-427-7476 has 6 cross-referenced part numbers: GRW15 (The Gorman-Rupp Company Div Gorman-Rupp), 1000 (The Gorman-Rupp Company Div Gorman-Rupp), GS1000 (The Gorman-Rupp Company Div Gorman-Rupp), 1000GS (The Gorman-Rupp Company Div Gorman-Rupp), 1000 (Trench and Marine Pump Co Inc P O Box 543 Bronx Ny 10456-0525) and 1 more.

What NSN replaces 4320-00-427-7476?

There are 12 known substitutes for 4320-00-427-7476: 5975-00-152-1147, 5305-00-208-7459, 2825-00-339-4496 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GS1000?

Key specifications for GS1000: General Characteristics Item Description: 2.375 IN. O/A LG,CONSISTS OF SEAL RING 2,WASHER 2,SPRING 1,SPACER SLEEVE 1,SHIM SET 1,SHIM 5,SEAL CONE 2,PACKING RING 2 IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-427-7476 still in active supply?

NSN 4320-00-427-7476 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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