PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H6250308A-52Bearing,sleeve

Trelleborg Sealing Solutions Us, Inc. · NSN 3120-01-497-0000 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-497-0000 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-497-0000. Primary manufacturer part number: H6250308A-52.
Features
  • Bearing,sleeve — FSC 3120
  • 4 verified cross-references
  • Primary manufacturer: Trelleborg Sealing Solutions Us, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-497-0000, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersNaval Sea Systems Command (CAGE 53711); Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169)
Technical Specifications
ParameterValue
NSN3120-01-497-0000
Primary Part NumberH6250308A-52
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTrelleborg Sealing Solutions Us, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-01-497-0006566-7067170-53 INTERCHANGEABLE
Bushing,sleeve
Naval Sea Systems Command
5365-01-497-0384566-7067170-5 INTERCHANGEABLE
Plug,machine Thread
Naval Sea Systems Command
5365-01-497-0587566-7067170-21 INTERCHANGEABLE
Shim
Naval Sea Systems Command
5365-01-497-0594566-7067170-22 INTERCHANGEABLE
Shim
Naval Sea Systems Command
3120-01-497-0599566-7067170-220 INTERCHANGEABLE
Bearing,sleeve
Naval Sea Systems Command
5365-01-497-0618566-7067170-237 INTERCHANGEABLE
Shim
Naval Sea Systems Command
3120-01-497-4332566-7067170-69 INTERCHANGEABLE
Bearing,sleeve
Naval Sea Systems Command
3130-01-497-7438H625-0308-A2 INTERCHANGEABLE
Housing,bearing Unit
Electric Boat Corporation Div General Dynamics Electric Boat
3940-01-652-412537-37-7874 INTERCHANGEABLE
Block,tackle
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
566-7067170 Naval Sea Systems Command (USA)
H6250308A-52 PRIMARY Trelleborg Sealing Solutions Us, Inc. (USA)
H625-0308-52 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
566-7067170-52 Naval Sea Systems Command (USA)
Related Parts
3120-01-497-0006INTERCHANGEABLE
BUSHING,SLEEVE
566-7067170-53
5365-01-497-0384INTERCHANGEABLE
PLUG,MACHINE THREAD
566-7067170-5
5365-01-497-0587INTERCHANGEABLE
SHIM
566-7067170-21
5365-01-497-0594INTERCHANGEABLE
SHIM
566-7067170-22
3120-01-497-0599INTERCHANGEABLE
BEARING,SLEEVE
566-7067170-220
5365-01-497-0618INTERCHANGEABLE
SHIM
566-7067170-237
3120-01-497-4332INTERCHANGEABLE
BEARING,SLEEVE
566-7067170-69
3130-01-497-7438INTERCHANGEABLE
HOUSING,BEARING UNIT
H625-0308-A2
3940-01-652-4125INTERCHANGEABLE
BLOCK,TACKLE
37-37-7874

Frequently Asked Questions

What is NSN 3120-01-497-0000?

NSN 3120-01-497-0000 is a Bearing,sleeve, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-497-0000?

NSN 3120-01-497-0000 has 4 cross-referenced part numbers: 566-7067170 (Naval Sea Systems Command), H6250308A-52 (Trelleborg Sealing Solutions Us, Inc.), H625-0308-52 (Electric Boat Corporation Div General Dynamics Electric Boat), 566-7067170-52 (Naval Sea Systems Command).

What NSN replaces 3120-01-497-0000?

There are 9 known substitutes for 3120-01-497-0000: 3120-01-497-0006, 5365-01-497-0384, 5365-01-497-0587 and 6 more. Verify interchangeability with system specifications before substitution.

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