PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4520-2Roller

Alloytek Inc · NSN 3990-00-574-9584 · FSC 3990 · No Item Name Available
Verified by PartsTable
NSN 3990-00-574-9584 — this item is cataloged by the U.S. Government under National Stock Number 3990-00-574-9584. Primary manufacturer part number: 4520-2.
Features
  • Roller — FSC 3990
  • General Characteristics Item Description: WEBB BACK UP TYPE
  • 1 verified cross-reference
  • Primary manufacturer: Alloytek Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Roller, cataloged under National Stock Number 3990-00-574-9584, is classified within Federal Supply Class 3990 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Alloytek Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3990-00-574-9584
Primary Part Number4520-2
Item NameRoller
FSC / FSG3990 / 39 — No Item Name Available
ManufacturerAlloytek Inc
StatusACTIVE
General Characteristics Item DescriptionWEBB BACK UP TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-00-268-4220 INTERCHANGEABLE
Stripper,wire,hand
5935-01-006-144645202 INTERCHANGEABLE
Connector,plug,electrical
Thermo Electric Company Inc. Dba Thermo Electric Company
1630-01-034-621145202 INTERCHANGEABLE
Piston,installation
Parker-Hannifin Corporation Dba Control Systems Division
5985-01-274-92624520-2 INTERCHANGEABLE
Dummy Load,electrical
Omega Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
4520-2 Alloytek Inc (USA)
Related Parts
5110-00-268-4220INTERCHANGEABLE
STRIPPER,WIRE,HAND
5935-01-006-1446INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
45202
1630-01-034-6211INTERCHANGEABLE
PISTON,INSTALLATION
45202
5985-01-274-9262INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
4520-2

Frequently Asked Questions

What is NSN 3990-00-574-9584?

NSN 3990-00-574-9584 is a Roller, manufactured by Alloytek Inc, classified under FSC 3990 (No Item Name Available). Status: active.

What are the part numbers for NSN 3990-00-574-9584?

NSN 3990-00-574-9584 has 1 cross-referenced part number: 4520-2 (Alloytek Inc).

What NSN replaces 3990-00-574-9584?

There are 4 known substitutes for 3990-00-574-9584: 5110-00-268-4220, 5935-01-006-1446, 1630-01-034-6211 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4520-2?

Key specifications for 4520-2: General Characteristics Item Description: WEBB BACK UP TYPE. 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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