PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8099Ring,wearing

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-405-1850 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-405-1850 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-405-1850. Primary manufacturer part number: 8099.
Features
  • Ring,wearing — FSC 4320
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Radius: 0.266 INCHES NOMINAL INSIDE RIGHT CORNER IN
  • Internal Flange Lip Width: 0.125 INCHES NOMINAL IN
  • Internal Flange Inside Diameter: 2.500 INCHES NOMINAL IN
  • Internal Flange Outside Diameter: 2.625 INCHES NOMINAL IN
  • Material: GRAPHITE
Applications
  • Applications requiring Graphite construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-405-1850, 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 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-405-1850
Primary Part Number8099
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner Radius0.266 INCHES NOMINAL INSIDE RIGHT CORNER IN
Internal Flange Lip Width0.125 INCHES NOMINAL IN
Internal Flange Inside Diameter2.500 INCHES NOMINAL IN
Internal Flange Outside Diameter2.625 INCHES NOMINAL IN
MaterialGRAPHITE
Body Inside Diameter2.875 INCHES NOMINAL IN
End to Flange Distance0.563 INCHES NOMINAL IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeROUND INSIDE RIGHT CORNER
Internal Flange Width0.313 INCHES NOMINAL IN
Body Outside Diameter3.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-185-0196 INTERCHANGEABLE
Nut,sheet Spring
6105-00-216-1800 INTERCHANGEABLE
End Bell,electrical Rotating Equ
5935-00-701-221510689631 INTERCHANGEABLE
Adapter,connector
Us Army Aviation and Missile Command
5342-00-772-2565357154 INTERCHANGEABLE
Mount,resilient,weapon System
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4230-00-778-65338099 INTERCHANGEABLE
Valve Assembly,cuto
Idsc Holdings Dba Equiserv Dba Equiserv
5930-01-121-64478099 INTERCHANGEABLE
Stop,electrical Switch
Carlisle & Finch Co
6145-01-229-3618SAE-J1127 TYPE SGT 2/0AWG-BLK INTERCHANGEABLE
Wire,electrical
Sae International Dba Sae International
6240-01-242-01508099 INTERCHANGEABLE
Lamp,incandescent
Industrial Electronic Engineers, Inc.
8415-01-522-04298099 INTERCHANGEABLE
Gloves,men's
Eagle Industries Unlimited, Llc
Cross-Reference Index
Part NumberManufacturer
8099 Cartridge Actuated Devices Inc (USA)
8099 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
5310-00-185-0196INTERCHANGEABLE
NUT,SHEET SPRING
6105-00-216-1800INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5935-00-701-2215INTERCHANGEABLE
ADAPTER,CONNECTOR
10689631
5342-00-772-2565INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
357154
4230-00-778-6533INTERCHANGEABLE
VALVE ASSEMBLY,CUTO
8099
5930-01-121-6447INTERCHANGEABLE
STOP,ELECTRICAL SWITCH
8099
6145-01-229-3618INTERCHANGEABLE
WIRE,ELECTRICAL
SAE-J1127 TYPE SGT 2/0AWG-BLK
6240-01-242-0150INTERCHANGEABLE
LAMP,INCANDESCENT
8099
8415-01-522-0429INTERCHANGEABLE
GLOVES,MEN'S
8099

Frequently Asked Questions

What is NSN 4320-00-405-1850?

NSN 4320-00-405-1850 is a Ring,wearing, 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 4320-00-405-1850?

NSN 4320-00-405-1850 has 2 cross-referenced part numbers: 8099 (Cartridge Actuated Devices Inc), 8099 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 4320-00-405-1850?

There are 9 known substitutes for 4320-00-405-1850: 5310-00-185-0196, 6105-00-216-1800, 5935-00-701-2215 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8099?

Key specifications for 8099: Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Radius: 0.266 INCHES NOMINAL INSIDE RIGHT CORNER IN; Internal Flange Lip Width: 0.125 INCHES NOMINAL IN. 15 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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