PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC6166SPCN277Bushing,sleeve

Howden Buffalo, Inc Div Howden Gyrol Fluid Drives · NSN 3120-00-339-4340 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-339-4340 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-339-4340. Primary manufacturer part number: HC6166SPCN277.
Features
  • Bushing,sleeve — FSC 3120
  • 5 verified cross-references
  • Primary manufacturer: Howden Buffalo, Inc Div Howden Gyrol Fluid Drives
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 3120-00-339-4340, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Howden Buffalo, Inc Div Howden Gyrol Fluid Drives. This item has 5 commercial cross-references from 3 manufacturers, 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 NameBushing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersHowden Buffalo, Inc Div Howden Gyrol Fluid Drives (CAGE 07077); Usm Corp Sub of Emhart Industries Inc Farrel Co Div (CAGE 14066); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN3120-00-339-4340
Primary Part NumberHC6166SPCN277
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHowden Buffalo, Inc Div Howden Gyrol Fluid Drives
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-054-4551 INTERCHANGEABLE
Bumper
2030-00-376-4805504963 INTERCHANGEABLE
Bow Door Operating
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
HC6166SPCN277 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
N277 Howden Buffalo, Inc Div Howden Gyrol Fluid Drives (USA)
D2-9420PC155 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
DE129S4200-241250PCN277 Naval Ship Systems Command (USA)
DE129S4200-241265PC155 Naval Ship Systems Command (USA)
Related Parts
5340-00-054-4551INTERCHANGEABLE
BUMPER
2030-00-376-4805INTERCHANGEABLE
BOW DOOR OPERATING
504963

Frequently Asked Questions

What is NSN 3120-00-339-4340?

NSN 3120-00-339-4340 is a Bushing,sleeve, manufactured by Howden Buffalo, Inc Div Howden Gyrol Fluid Drives, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-339-4340?

NSN 3120-00-339-4340 has 5 cross-referenced part numbers: HC6166SPCN277 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives), N277 (Howden Buffalo, Inc Div Howden Gyrol Fluid Drives), D2-9420PC155 (Usm Corp Sub of Emhart Industries Inc Farrel Co Div), DE129S4200-241250PCN277 (Naval Ship Systems Command), DE129S4200-241265PC155 (Naval Ship Systems Command).

What NSN replaces 3120-00-339-4340?

There are 2 known substitutes for 3120-00-339-4340: 5340-00-054-4551, 2030-00-376-4805. Verify interchangeability with system specifications before substitution.

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