PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105221Pulley,flat

Carl Stahl Sava Industries, Inc. · NSN 3020-01-520-7911 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-520-7911 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-520-7911. Primary manufacturer part number: 105221.
Features
  • Pulley,flat — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: Carl Stahl Sava Industries, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,flat, cataloged under National Stock Number 3020-01-520-7911, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Carl Stahl Sava Industries, Inc.. This item has 2 commercial cross-references from 1 manufacturer, 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
NSN3020-01-520-7911
Primary Part Number105221
Item NamePulley,flat
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCarl Stahl Sava Industries, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5910-00-103-1700066600414A0 102K INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Erie Specialty Products Inc
5999-00-193-2815105221 INTERCHANGEABLE
Contact,electrical
Lucent Technologies Inc Corporate Headquarters
5935-00-201-9490PU116AU INTERCHANGEABLE
Jack,tip
Joint Electronics Type Designation System
4730-00-240-1678 INTERCHANGEABLE
Union,pipe
5998-00-476-1133105221 INTERCHANGEABLE
Printed Wiring Board
The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
5365-00-820-7658105221 INTERCHANGEABLE
Ring,externally Threaded
Air Logistics Corporation Dba Air Logistics Corp
5945-00-827-3699IR1215GC24 INTERCHANGEABLE
Relay,electromagnetic
Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co
Cross-Reference Index
Part NumberManufacturer
105221 PRIMARY Carl Stahl Sava Industries, Inc. (USA)
BP4100-BSS Carl Stahl Sava Industries, Inc. (USA)
Related Parts
5910-00-103-1700INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
066600414A0 102K
5999-00-193-2815INTERCHANGEABLE
CONTACT,ELECTRICAL
105221
5935-00-201-9490INTERCHANGEABLE
JACK,TIP
PU116AU
4730-00-240-1678INTERCHANGEABLE
UNION,PIPE
5998-00-476-1133INTERCHANGEABLE
PRINTED WIRING BOARD
105221
5365-00-820-7658INTERCHANGEABLE
RING,EXTERNALLY THREADED
105221
5945-00-827-3699INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
IR1215GC24

Frequently Asked Questions

What is NSN 3020-01-520-7911?

NSN 3020-01-520-7911 is a Pulley,flat, manufactured by Carl Stahl Sava Industries, Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-520-7911?

NSN 3020-01-520-7911 has 2 cross-referenced part numbers: 105221 (Carl Stahl Sava Industries, Inc.), BP4100-BSS (Carl Stahl Sava Industries, Inc.).

What NSN replaces 3020-01-520-7911?

There are 7 known substitutes for 3020-01-520-7911: 5910-00-103-1700, 5999-00-193-2815, 5935-00-201-9490 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 105221?

Key specifications for 105221: End Item Identification: AN/SPN-43C. 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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