PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440-8843168-62Bearing Unit,plain

Naval Sea Systems Command · NSN 3130-01-722-7839 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-722-7839 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-722-7839. Primary manufacturer part number: 440-8843168-62.
Features
  • Bearing Unit,plain — FSC 3130
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Unit,plain, cataloged under National Stock Number 3130-01-722-7839, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Sea Systems Command. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Unit,plain
FSC / FSG3130 — No Item Name Available (FSG 31)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN3130-01-722-7839
Primary Part Number440-8843168-62
Item NameBearing Unit,plain
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5325-01-720-1072 INTERCHANGEABLE
Ring,retaining
5330-01-721-0975 INTERCHANGEABLE
Gasket
5305-01-722-8346 INTERCHANGEABLE
Screw,cap,hexagon Head
5330-01-723-0387440-8843168-53 INTERCHANGEABLE
Gasket
Naval Sea Systems Command
5330-01-723-4873845-4677382-40 INTERCHANGEABLE
Packing Assembly
Naval Sea Systems Command
4820-01-723-5993440-8843168-12 INTERCHANGEABLE
Flange,gland,valve
Naval Sea Systems Command
5305-01-729-2627 INTERCHANGEABLE
Screw,cap,hexagon Head
2040-01-734-6226 INTERCHANGEABLE
Cylinder Assembly,reaction
Cross-Reference Index
Part NumberManufacturer
LOA036473-62 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
440-8843168-62 PRIMARY Naval Sea Systems Command (USA)
R4342501-62 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
8843168 Naval Sea Systems Command (USA)
Related Parts
5325-01-720-1072INTERCHANGEABLE
RING,RETAINING
5330-01-721-0975INTERCHANGEABLE
GASKET
5305-01-722-8346INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5330-01-723-0387INTERCHANGEABLE
GASKET
440-8843168-53
5330-01-723-4873INTERCHANGEABLE
PACKING ASSEMBLY
845-4677382-40
4820-01-723-5993INTERCHANGEABLE
FLANGE,GLAND,VALVE
440-8843168-12
5305-01-729-2627INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
2040-01-734-6226INTERCHANGEABLE
CYLINDER ASSEMBLY,REACTION

Frequently Asked Questions

What is NSN 3130-01-722-7839?

NSN 3130-01-722-7839 is a Bearing Unit,plain, manufactured by Naval Sea Systems Command, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-722-7839?

NSN 3130-01-722-7839 has 4 cross-referenced part numbers: LOA036473-62 (Electric Boat Corporation Div General Dynamics Electric Boat), 440-8843168-62 (Naval Sea Systems Command), R4342501-62 (Electric Boat Corporation Div General Dynamics Electric Boat), 8843168 (Naval Sea Systems Command).

What NSN replaces 3130-01-722-7839?

There are 8 known substitutes for 3130-01-722-7839: 5325-01-720-1072, 5330-01-721-0975, 5305-01-722-8346 and 5 more. Verify interchangeability with system specifications before substitution.

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