PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

112-21Rotor,generator

Prestolite Electric Inc · NSN 2920-00-133-3291 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-133-3291 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-133-3291. Primary manufacturer part number: 112-21.
Features
  • Rotor,generator — FSC 2920
  • Construction: PERMANENT MAGNET
  • Features Provided: SHAFT
  • Overall Diameter: 3.5000 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rotor,generator, cataloged under National Stock Number 2920-00-133-3291, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN2920-00-133-3291
Primary Part Number112-21
Item NameRotor,generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
ConstructionPERMANENT MAGNET
Features ProvidedSHAFT
Overall Diameter3.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5136-00-228-099554661 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5360-00-256-96431-1221 INTERCHANGEABLE
Spring,helical,compression
Terex Usa, Llc Dba Terex Equipment Services
6350-00-554-8774223585 INTERCHANGEABLE
Horn,signal
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4810-00-633-380411221 INTERCHANGEABLE
Seat,valve
Mission Systems Orchard Park Inc
6130-00-702-6815 INTERCHANGEABLE
Rectifier,metallic
5330-00-768-85575782 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5963-01-209-575711221 INTERCHANGEABLE
Electronic Module,standardized
Nautel C-Tech Limited
4320-01-278-8683C227 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4730-01-312-59251122-1 INTERCHANGEABLE
Nut,union
R & D Machine Rafael Anaya Div Defense Logistics Agency
4730-01-337-3721 INTERCHANGEABLE
Nipple,pipe
Cross-Reference Index
Part NumberManufacturer
112-21 PRIMARY Prestolite Electric Inc (USA)
12-13 Motorola Automotive Electronics (USA)
112-21 Hyster-Yale Group, Inc. (USA)
1C44573A01 Motorola Automotive Electronics (USA)
Related Parts
5136-00-228-0995INTERCHANGEABLE
TAP,THREAD CUTTING
54661
5360-00-256-9643INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1-1221
6350-00-554-8774INTERCHANGEABLE
HORN,SIGNAL
223585
4810-00-633-3804INTERCHANGEABLE
SEAT,VALVE
11221
6130-00-702-6815INTERCHANGEABLE
RECTIFIER,METALLIC
5330-00-768-8557INTERCHANGEABLE
SEAL,PLAIN ENCASED
5782
5963-01-209-5757INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
11221
4320-01-278-8683INTERCHANGEABLE
RING,WEARING
C227
4730-01-312-5925INTERCHANGEABLE
NUT,UNION
1122-1
4730-01-337-3721INTERCHANGEABLE
NIPPLE,PIPE
6850-01-394-0162INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
1122-1

Frequently Asked Questions

What is NSN 2920-00-133-3291?

NSN 2920-00-133-3291 is a Rotor,generator, manufactured by Prestolite Electric Inc, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-133-3291?

NSN 2920-00-133-3291 has 4 cross-referenced part numbers: 112-21 (Prestolite Electric Inc), 12-13 (Motorola Automotive Electronics), 112-21 (Hyster-Yale Group, Inc.), 1C44573A01 (Motorola Automotive Electronics).

What NSN replaces 2920-00-133-3291?

There are 11 known substitutes for 2920-00-133-3291: 5136-00-228-0995, 5360-00-256-9643, 6350-00-554-8774 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 112-21?

Key specifications for 112-21: Overall Length: 5.7500 INCHES NOMINAL IN; Construction: PERMANENT MAGNET; Features Provided: SHAFT; Overall Diameter: 3.5000 INCHES NOMINAL IN. 4 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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