PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

846-5Bearing,special

Rolls-Royce Controls and Data Services Limited · NSN 3120-01-018-7539 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-018-7539 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-018-7539. Primary manufacturer part number: 846-5.
Features
  • Bearing,special — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Rolls-Royce Controls and Data Services Limited
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,special, cataloged under National Stock Number 3120-01-018-7539, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rolls-Royce Controls and Data Services Limited. This item has 2 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.

Technical Specifications
ParameterValue
NSN3120-01-018-7539
Primary Part Number846-5
Item NameBearing,special
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRolls-Royce Controls and Data Services Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-208-58808465 INTERCHANGEABLE
Nut,plain,knurled
Prestolite Electric Inc
5975-00-281-0056 INTERCHANGEABLE
Cover,junction Box
4820-00-480-81228465 INTERCHANGEABLE
Body,valve
Essex Industries, Inc. Dba Essex Industries
6685-00-526-7864 INTERCHANGEABLE
Transmitter,pressure
6685-00-689-867218-1704 INTERCHANGEABLE
Transmitter,pressure
Honeywell International Inc. Dba Honeywell International
5905-00-790-0695744294 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
L3harris Cincinnati Electronics Corporation
6625-00-867-7808 INTERCHANGEABLE
Lead,test
6145-00-936-00838465 INTERCHANGEABLE
Cable,telephone
Belden Wire and Cable Co Wire and Cable Office
5340-01-005-25398465 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5961-01-100-4932353-3677-012 INTERCHANGEABLE
Semiconductor Device,diode
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
846-5 Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems (GBR)
846-5 PRIMARY Rolls-Royce Controls and Data Services Limited (GBR)
Related Parts
5310-00-208-5880INTERCHANGEABLE
NUT,PLAIN,KNURLED
8465
5975-00-281-0056INTERCHANGEABLE
COVER,JUNCTION BOX
4820-00-480-8122INTERCHANGEABLE
BODY,VALVE
8465
6685-00-526-7864INTERCHANGEABLE
TRANSMITTER,PRESSURE
6685-00-689-8672INTERCHANGEABLE
TRANSMITTER,PRESSURE
18-1704
5905-00-790-0695INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
744294
6625-00-867-7808INTERCHANGEABLE
LEAD,TEST
6145-00-936-0083INTERCHANGEABLE
CABLE,TELEPHONE
8465
5340-01-005-2539INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8465
5961-01-100-4932INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
353-3677-012
4820-01-439-0615INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE

Frequently Asked Questions

What is NSN 3120-01-018-7539?

NSN 3120-01-018-7539 is a Bearing,special, manufactured by Rolls-Royce Controls and Data Services Limited, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-018-7539?

NSN 3120-01-018-7539 has 2 cross-referenced part numbers: 846-5 (Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems), 846-5 (Rolls-Royce Controls and Data Services Limited).

What NSN replaces 3120-01-018-7539?

There are 11 known substitutes for 3120-01-018-7539: 5310-00-208-5880, 5975-00-281-0056, 4820-00-480-8122 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 846-5?

Key specifications for 846-5: End Item Identification: ENGINE MODEL F402-RR-400. 1 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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