PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5775Bearing

Harbormaster Marine, Inc · NSN 3120-00-338-4845 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-338-4845 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-338-4845. Primary manufacturer part number: 5775.
Features
  • Bearing — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Harbormaster Marine, Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing, cataloged under National Stock Number 3120-00-338-4845, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Harbormaster Marine, Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersHarbormaster Marine, Inc (CAGE 42138)
Technical Specifications
ParameterValue
NSN3120-00-338-4845
Primary Part Number5775
Item NameBearing
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHarbormaster Marine, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2995-00-136-24205775 INTERCHANGEABLE
Housing Assy,hydrau
Eaton Aerospace, Llc Dba Jackson South
4730-00-188-63141831 INTERCHANGEABLE
Fitting,lubrication
Stewart-Warner Corporation
4820-00-311-527005-0775 INTERCHANGEABLE
Seat,valve
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
4940-00-391-4606 INTERCHANGEABLE
Countershaft
5950-00-510-52625775 INTERCHANGEABLE
Transformer,power
Cae Usa Inc.
2805-00-532-00615775 INTERCHANGEABLE
Flywheel,engine
R.h. Industries, Inc.
5950-00-538-5665 INTERCHANGEABLE
Transformer,audio Frequency
3020-00-694-0420 INTERCHANGEABLE
Gear,helical
5306-00-695-70695775 INTERCHANGEABLE
Bolt,spring
Fwd Seagrave Holdings Lp
5950-00-732-844734008 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
Cross-Reference Index
Part NumberManufacturer
5775 PRIMARY Harbormaster Marine, Inc (USA)
Related Parts
2995-00-136-2420INTERCHANGEABLE
HOUSING ASSY,HYDRAU
5775
4730-00-188-6314INTERCHANGEABLE
FITTING,LUBRICATION
1831
4820-00-311-5270INTERCHANGEABLE
SEAT,VALVE
05-0775
4940-00-391-4606INTERCHANGEABLE
COUNTERSHAFT
5950-00-510-5262INTERCHANGEABLE
TRANSFORMER,POWER
5775
2805-00-532-0061INTERCHANGEABLE
FLYWHEEL,ENGINE
5775
5950-00-538-5665INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3020-00-694-0420INTERCHANGEABLE
GEAR,HELICAL
5306-00-695-7069INTERCHANGEABLE
BOLT,SPRING
5775
5950-00-732-8447INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
34008
5975-00-849-4082INTERCHANGEABLE
COVER,CONDUIT OUTLET
6105-01-369-0419INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
ECP4409T-4

Frequently Asked Questions

What is NSN 3120-00-338-4845?

NSN 3120-00-338-4845 is a Bearing, manufactured by Harbormaster Marine, Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-338-4845?

NSN 3120-00-338-4845 has 1 cross-referenced part number: 5775 (Harbormaster Marine, Inc).

What NSN replaces 3120-00-338-4845?

There are 12 known substitutes for 3120-00-338-4845: 2995-00-136-2420, 4730-00-188-6314, 4820-00-311-5270 and 9 more. Verify interchangeability with system specifications before substitution.

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