PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

723034Bearing,sleeve

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 3120-01-129-2157 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-129-2157 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-129-2157. Primary manufacturer part number: 723034.
Features
  • Bearing,sleeve — FSC 3120
  • 3 verified cross-references
  • Primary manufacturer: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-129-2157, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 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)
ManufacturersRtx Corporation Div Pratt & Whitney (CAGE 55820); Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163); Hamilton Sundstrand Corporation (CAGE 99167)
Technical Specifications
ParameterValue
NSN3120-01-129-2157
Primary Part Number723034
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-343-695572-30 3-4 INTERCHANGEABLE
Strainer,sediment
Kraissl Co Inc the
5342-01-275-6890723034 INTERCHANGEABLE
Door,access,weapon System
Barker Rockford Co, the Dba Heco Div Div Heco Division
Cross-Reference Index
Part NumberManufacturer
723034 Rtx Corporation Div Pratt & Whitney (USA)
723034 PRIMARY Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
723034 Hamilton Sundstrand Corporation (USA)
Related Parts
4730-00-343-6955INTERCHANGEABLE
STRAINER,SEDIMENT
72-30 3-4
5342-01-275-6890INTERCHANGEABLE
DOOR,ACCESS,WEAPON SYSTEM
723034

Frequently Asked Questions

What is NSN 3120-01-129-2157?

NSN 3120-01-129-2157 is a Bearing,sleeve, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-129-2157?

NSN 3120-01-129-2157 has 3 cross-referenced part numbers: 723034 (Rtx Corporation Div Pratt & Whitney), 723034 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 723034 (Hamilton Sundstrand Corporation).

What NSN replaces 3120-01-129-2157?

There are 2 known substitutes for 3120-01-129-2157: 4730-00-343-6955, 5342-01-275-6890. Verify interchangeability with system specifications before substitution.

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