PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8099-8Bushing,sleeve

William E Williams Valve Corp · NSN 3120-01-143-0555 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-143-0555 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-143-0555. Primary manufacturer part number: 8099-8.
Features
  • Bushing,sleeve — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: William E Williams Valve Corp
Applications
  • Industrial machinery bearing replacement
  • Motor and pump shaft assemblies
  • HVAC blower and fan assemblies
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-143-0555, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is William E Williams Valve Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBushing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersWilliam E Williams Valve Corp (CAGE 79342)
Technical Specifications
ParameterValue
NSN3120-01-143-0555
Primary Part Number8099-8
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6680-00-302-592680998 INTERCHANGEABLE
Housing Assembly,th
Honeywell International Inc. Div Aerospace - Torrance
5962-00-599-5695 INTERCHANGEABLE
Microcircuit,linear
5840-00-806-133880998 INTERCHANGEABLE
Cover,plate,access
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
8099-8 PRIMARY William E Williams Valve Corp (USA)
Related Parts
6680-00-302-5926INTERCHANGEABLE
HOUSING ASSEMBLY,TH
80998
5962-00-599-5695INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5840-00-806-1338INTERCHANGEABLE
COVER,PLATE,ACCESS
80998

Frequently Asked Questions

What is NSN 3120-01-143-0555?

NSN 3120-01-143-0555 is a Bushing,sleeve, manufactured by William E Williams Valve Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-143-0555?

NSN 3120-01-143-0555 has 1 cross-referenced part number: 8099-8 (William E Williams Valve Corp).

What NSN replaces 3120-01-143-0555?

There are 3 known substitutes for 3120-01-143-0555: 6680-00-302-5926, 5962-00-599-5695, 5840-00-806-1338. Verify interchangeability with system specifications before substitution.

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