PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H625-0308-A2Housing,bearing Unit

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 3130-01-497-7438 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-497-7438 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-497-7438. Primary manufacturer part number: H625-0308-A2.
Features
  • Housing,bearing Unit — FSC 3130
  • 3 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-01-497-7438, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. This item has 3 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.

Catalog Facts
Item NameHousing,bearing Unit
FSC / FSG3130 — No Item Name Available (FSG 31)
ManufacturersNaval Sea Systems Command (CAGE 53711); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169)
Technical Specifications
ParameterValue
NSN3130-01-497-7438
Primary Part NumberH625-0308-A2
Item NameHousing,bearing Unit
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-01-497-0000H6250308A-52 INTERCHANGEABLE
Bearing,sleeve
Trelleborg Sealing Solutions Us, Inc.
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
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)
566-7067170-A2 Naval Sea Systems Command (USA)
H625-0308-A2 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
3120-01-497-0000INTERCHANGEABLE
BEARING,SLEEVE
H6250308A-52
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
3940-01-652-4125INTERCHANGEABLE
BLOCK,TACKLE
37-37-7874

Frequently Asked Questions

What is NSN 3130-01-497-7438?

NSN 3130-01-497-7438 is a Housing,bearing Unit, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-497-7438?

NSN 3130-01-497-7438 has 3 cross-referenced part numbers: 566-7067170 (Naval Sea Systems Command), 566-7067170-A2 (Naval Sea Systems Command), H625-0308-A2 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 3130-01-497-7438?

There are 9 known substitutes for 3130-01-497-7438: 3120-01-497-0000, 3120-01-497-0006, 5365-01-497-0384 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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