PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

76B140Bearing,sleeve

Norfolk Naval Shipyard · NSN 3120-00-339-3203 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-339-3203 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-339-3203. Primary manufacturer part number: 76B140.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 2.5000 INCHES NOMINAL IN
  • Flange Width: 0.3750 INCHES NOMINAL IN
  • Body Outside Diameter: 5.1250 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Norfolk Naval Shipyard
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-339-3203, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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.

Technical Specifications
ParameterValue
NSN3120-00-339-3203
Primary Part Number76B140
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorfolk Naval Shipyard
StatusACTIVE
Body Inside Diameter2.5000 INCHES NOMINAL IN
Flange Width0.3750 INCHES NOMINAL IN
Body Outside Diameter5.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-057-2396 INTERCHANGEABLE
Float,valve
2805-00-230-89864-117 INTERCHANGEABLE
Cap,main Bearing
Dresser Industries Inc Waukesha Engine Div
2520-00-360-689378637550 INTERCHANGEABLE
Disk,clutch,vehicular
Agco Corp Parts Opn
5961-00-449-1789 INTERCHANGEABLE
Semiconductor Device,diode
4730-00-480-62113A INTERCHANGEABLE
Strainer Element,sediment
Spirax Sarco Inc Dba Spirax Sarco
6340-00-674-22894-117 INTERCHANGEABLE
Control,alarm
Automation Products Group, Inc.
5310-00-928-3878MS33737-14C INTERCHANGEABLE
Nut,sheet Spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6530-01-017-2335343 INTERCHANGEABLE
Pad,pressure Point,physicotherap
Pre-Foam Inc
Cross-Reference Index
Part NumberManufacturer
76B140 Norfolk Naval Shipyard (USA)
21U1141PC4117 Naval Ship Systems Command (USA)
4117 Norfolk Naval Shipyard (USA)
N14733ALTGPC4117 Norfolk Naval Shipyard (USA)
N14733PC4117 Norfolk Naval Shipyard (USA)
Related Parts
4820-00-057-2396INTERCHANGEABLE
FLOAT,VALVE
2805-00-230-8986INTERCHANGEABLE
CAP,MAIN BEARING
4-117
2520-00-360-6893INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
78637550
5961-00-449-1789INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4730-00-480-6211INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
3A
6340-00-674-2289INTERCHANGEABLE
CONTROL,ALARM
4-117
5310-00-928-3878INTERCHANGEABLE
NUT,SHEET SPRING
MS33737-14C
6530-01-017-2335INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
343

Frequently Asked Questions

What is NSN 3120-00-339-3203?

NSN 3120-00-339-3203 is a Bearing,sleeve, manufactured by Norfolk Naval Shipyard, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-339-3203?

NSN 3120-00-339-3203 has 5 cross-referenced part numbers: 76B140 (Norfolk Naval Shipyard), 21U1141PC4117 (Naval Ship Systems Command), 4117 (Norfolk Naval Shipyard), N14733ALTGPC4117 (Norfolk Naval Shipyard), N14733PC4117 (Norfolk Naval Shipyard).

What NSN replaces 3120-00-339-3203?

There are 8 known substitutes for 3120-00-339-3203: 4820-00-057-2396, 2805-00-230-8986, 2520-00-360-6893 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 76B140?

Key specifications for 76B140: Body Inside Diameter: 2.5000 INCHES NOMINAL IN; Overall Length: 4.3750 INCHES NOMINAL IN; Flange Width: 0.3750 INCHES NOMINAL IN; Body Outside Diameter: 5.1250 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com