PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA304-2Bearing,sleeve

Miller-Holzwarth Inc. · NSN 3120-00-146-5630 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-146-5630 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-146-5630. Primary manufacturer part number: AA304-2.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.3770 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Miller-Holzwarth Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-146-5630, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Miller-Holzwarth Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN3120-00-146-5630
Primary Part NumberAA304-2
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMiller-Holzwarth Inc.
StatusACTIVE
Body Outside Diameter0.3770 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-248-6684 INTERCHANGEABLE
Socket,crowfoot Wrench Head
3120-00-287-63132409-965568PC401 INTERCHANGEABLE
Bearing,sleeve
Naval Ship Systems Command
5120-00-585-7689 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7690 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7692 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7693 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7695 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7697 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7698 INTERCHANGEABLE
Socket,crowfoot Wrench Head
5120-00-585-7699 INTERCHANGEABLE
Socket,crowfoot Wrench Head
Cross-Reference Index
Part NumberManufacturer
AA304-2 PRIMARY Miller-Holzwarth Inc. (USA)
Related Parts
5120-00-248-6684INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
3120-00-287-6313INTERCHANGEABLE
BEARING,SLEEVE
2409-965568PC401
5120-00-585-7689INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7690INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7692INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7693INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7695INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7697INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7698INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7699INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7700INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
5120-00-585-7701INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD

Frequently Asked Questions

What is NSN 3120-00-146-5630?

NSN 3120-00-146-5630 is a Bearing,sleeve, manufactured by Miller-Holzwarth Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-146-5630?

NSN 3120-00-146-5630 has 1 cross-referenced part number: AA304-2 (Miller-Holzwarth Inc.).

What NSN replaces 3120-00-146-5630?

There are 12 known substitutes for 3120-00-146-5630: 5120-00-248-6684, 3120-00-287-6313, 5120-00-585-7689 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA304-2?

Key specifications for AA304-2: Overall Length: 0.5000 INCHES NOMINAL IN; Body Outside Diameter: 0.3770 INCHES NOMINAL IN. 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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