PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

108431Bearing,sleeve

Hamilton Jet, Inc. · NSN 3120-01-651-1257 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-651-1257 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-651-1257. Primary manufacturer part number: 108431.
Features
  • Bearing,sleeve — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Hamilton Jet, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-651-1257, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hamilton Jet, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-651-1257
Primary Part Number108431
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHamilton Jet, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-100-576102-012-113-6-200 INTERCHANGEABLE
Contact,electrical
Avx Corporation
5905-00-104-8333 INTERCHANGEABLE
Resistor,fixed,composition
1680-00-447-9885 INTERCHANGEABLE
Screw and Tube,actu
4220-01-537-9440108431 INTERCHANGEABLE
Plug Assembly,valve
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
108431 PRIMARY Hamilton Jet, Inc. (USA)
Related Parts
5999-00-100-5761INTERCHANGEABLE
CONTACT,ELECTRICAL
02-012-113-6-200
5905-00-104-8333INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
1680-00-447-9885INTERCHANGEABLE
SCREW AND TUBE,ACTU
4220-01-537-9440INTERCHANGEABLE
PLUG ASSEMBLY,VALVE
108431

Frequently Asked Questions

What is NSN 3120-01-651-1257?

NSN 3120-01-651-1257 is a Bearing,sleeve, manufactured by Hamilton Jet, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-651-1257?

NSN 3120-01-651-1257 has 1 cross-referenced part number: 108431 (Hamilton Jet, Inc.).

What NSN replaces 3120-01-651-1257?

There are 4 known substitutes for 3120-01-651-1257: 5999-00-100-5761, 5905-00-104-8333, 1680-00-447-9885 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 108431?

Key specifications for 108431: End Item Identification: WATERJET MARINE,HM521 JET; Part Name Assigned by Controlling Agency: BEARING SLEEVE-521. 2 total characteristics are documented in the Federal Logistics Information System.

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