PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7409042Roller,linear-Rotary Motion

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-740-9042 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-740-9042 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-740-9042. Primary manufacturer part number: 7409042.
Features
  • Roller,linear-Rotary Motion — FSC 3120
  • Style Designator: PLAIN
  • Material: STEEL
  • Outside Diameter: 4.000 INCHES NOMINAL IN
  • Bore Inside Diameter: 1.756 INCHES NOMINAL IN
  • Casehardening Indicator: CASEHARDENED
  • Metallic Hardness Rating: 78.0 MINIMUM ROCKWELL A AND 82.0 MAXIMUM ROCKWELL A
  • Face Width: 2.312 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-00-740-9042, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-740-9042
Primary Part Number7409042
Item NameRoller,linear-Rotary Motion
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Style DesignatorPLAIN
MaterialSTEEL
Outside Diameter4.000 INCHES NOMINAL IN
Bore Inside Diameter1.756 INCHES NOMINAL IN
Casehardening IndicatorCASEHARDENED
Metallic Hardness Rating78.0 MINIMUM ROCKWELL A AND 82.0 MAXIMUM ROCKWELL A
Face Width2.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-142-497614522 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
2530-00-816-2014 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5360-00-834-148514522 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5320-00-901-0307NAS1425-02 INTERCHANGEABLE
Pin-Rivet
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6515-01-070-0653 INTERCHANGEABLE
Plug,ear
5950-01-226-99445882976 INTERCHANGEABLE
Transformer,current
Naval Sea Systems Command
7930-01-379-538414522 INTERCHANGEABLE
Detergent,utility
Ecolab Inc
Cross-Reference Index
Part NumberManufacturer
KC9659 Diamond Reo Truck Co (USA)
7409042 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
222E17 Diamond Reo Truck Co (USA)
D7732-3-2 Chief of Engineers Dept of Army (USA)
915758 Sasco Inc Canadian Div
14522 Lockwood Corp (USA)
62B430 Heil Environmental Industries (USA)
2297567 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
M2020643 Garwood/feller Inc Garwood Winch Div (USA)
3120007409042 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
Related Parts
5133-00-142-4976INTERCHANGEABLE
BIT,FORSTNER
14522
2530-00-816-2014INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5360-00-834-1485INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14522
5320-00-901-0307INTERCHANGEABLE
PIN-RIVET
NAS1425-02
6515-01-070-0653INTERCHANGEABLE
PLUG,EAR
5950-01-226-9944INTERCHANGEABLE
TRANSFORMER,CURRENT
5882976
7930-01-379-5384INTERCHANGEABLE
DETERGENT,UTILITY
14522

Frequently Asked Questions

What is NSN 3120-00-740-9042?

NSN 3120-00-740-9042 is a Roller,linear-Rotary Motion, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-740-9042?

NSN 3120-00-740-9042 has 10 cross-referenced part numbers: KC9659 (Diamond Reo Truck Co), 7409042 (U S Army Tank Automotive Command Amsta-Im-Mm), 222E17 (Diamond Reo Truck Co), D7732-3-2 (Chief of Engineers Dept of Army), 915758 (Sasco Inc Canadian Div) and 5 more.

What NSN replaces 3120-00-740-9042?

There are 7 known substitutes for 3120-00-740-9042: 5133-00-142-4976, 2530-00-816-2014, 5360-00-834-1485 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7409042?

Key specifications for 7409042: Style Designator: PLAIN; Material: STEEL; Outside Diameter: 4.000 INCHES NOMINAL IN; Bore Inside Diameter: 1.756 INCHES NOMINAL IN. 7 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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