PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

944-4Bearing,sleeve

Railway Specialties Corp Div Railway Specialties Corporation · NSN 3120-01-565-8597 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-565-8597 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-565-8597. Primary manufacturer part number: 944-4.
Features
  • Bearing,sleeve — FSC 3120
  • 4 verified cross-references
  • Primary manufacturer: Railway Specialties Corp Div Railway Specialties Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-565-8597, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Railway Specialties Corp Div Railway Specialties Corporation. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 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)
ManufacturersNaval Ship Systems Command (CAGE 80064); Railway Specialties Corp Div Railway Specialties Corporation (CAGE 86700)
Technical Specifications
ParameterValue
NSN3120-01-565-8597
Primary Part Number944-4
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRailway Specialties Corp Div Railway Specialties Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6740-00-510-91399444 INTERCHANGEABLE
Bearing Assy,drum S
Beseler, Charles Co Inc
4730-00-522-1909 INTERCHANGEABLE
Tee,pipe to Tube
4330-00-717-98800110-0019 INTERCHANGEABLE
Filtering Disk,fluid
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3040-00-814-8409040018 INTERCHANGEABLE
Collar,shaft
Reliance Electric Company Dba Reliance & Dodge Brands
4140-01-013-5797320407 INTERCHANGEABLE
Impeller,fan,axial
Engineered Cooling Systems Inc.
4730-01-212-96149444 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
6530-01-240-8675 INTERCHANGEABLE
Drape,surgical
2040-01-368-7152803-1401890 ASSEMBLY A INTERCHANGEABLE
Scuttle,marine
Naval Ship Systems Command
6625-01-490-1701MR36W400DCVVR INTERCHANGEABLE
Voltmeter
Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics
5130-01-557-46729444 INTERCHANGEABLE
Sander,finishing,electric,portab
Porter Cable Corp
Cross-Reference Index
Part NumberManufacturer
803-1401890 Naval Ship Systems Command (USA)
805-1623944 PC 4 SST Naval Ship Systems Command (USA)
944-4 PRIMARY Railway Specialties Corp Div Railway Specialties Corporation (USA)
803-1401890 PC 26 SST Naval Ship Systems Command (USA)
Related Parts
6740-00-510-9139INTERCHANGEABLE
BEARING ASSY,DRUM S
9444
4730-00-522-1909INTERCHANGEABLE
TEE,PIPE TO TUBE
4330-00-717-9880INTERCHANGEABLE
FILTERING DISK,FLUID
0110-0019
3040-00-814-8409INTERCHANGEABLE
COLLAR,SHAFT
040018
4140-01-013-5797INTERCHANGEABLE
IMPELLER,FAN,AXIAL
320407
4730-01-212-9614INTERCHANGEABLE
CLAMP,HOSE
9444
6530-01-240-8675INTERCHANGEABLE
DRAPE,SURGICAL
2040-01-368-7152INTERCHANGEABLE
SCUTTLE,MARINE
803-1401890 ASSEMBLY A
6625-01-490-1701INTERCHANGEABLE
VOLTMETER
MR36W400DCVVR
5130-01-557-4672INTERCHANGEABLE
SANDER,FINISHING,ELECTRIC,PORTAB
9444
6545-01-567-7442INTERCHANGEABLE
BURN PACK,EMERGENCY MEDICAL TREA
USMA001-02

Frequently Asked Questions

What is NSN 3120-01-565-8597?

NSN 3120-01-565-8597 is a Bearing,sleeve, manufactured by Railway Specialties Corp Div Railway Specialties Corporation, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-565-8597?

NSN 3120-01-565-8597 has 4 cross-referenced part numbers: 803-1401890 (Naval Ship Systems Command), 805-1623944 PC 4 SST (Naval Ship Systems Command), 944-4 (Railway Specialties Corp Div Railway Specialties Corporation), 803-1401890 PC 26 SST (Naval Ship Systems Command).

What NSN replaces 3120-01-565-8597?

There are 11 known substitutes for 3120-01-565-8597: 6740-00-510-9139, 4730-00-522-1909, 4330-00-717-9880 and 8 more. Verify interchangeability with system specifications before substitution.

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