PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SEP21Heating Element,electrical,nonim

Hupp Industries Inc Typhoon Air Conditioning Div · NSN 4520-00-374-2964 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-374-2964 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-374-2964. Primary manufacturer part number: SEP21.
Features
  • Heating Element,electrical,nonim — FSC 4520
  • 2 verified cross-references
  • Primary manufacturer: Hupp Industries Inc Typhoon Air Conditioning Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-374-2964, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Hupp Industries Inc Typhoon Air Conditioning Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHeating Element,electrical,nonim
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersHupp Industries Inc Typhoon Air Conditioning Div (CAGE 89863); Rockwell Automation, Inc. Dba Rockwell Automation (CAGE 01121)
Technical Specifications
ParameterValue
NSN4520-00-374-2964
Primary Part NumberSEP21
Item NameHeating Element,electrical,nonim
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHupp Industries Inc Typhoon Air Conditioning Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-019-0517P2-1 INTERCHANGEABLE
Spacer,ring
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5310-00-021-819613X14 INTERCHANGEABLE
Nut,plain,hexagon
Meritor Heavy Vehicle Systems, Llc
3110-00-227-3323P21 INTERCHANGEABLE
Bearing,roller,needle
Fl Industries Inc Pneumotive Div
5120-00-395-8476923393 INTERCHANGEABLE
Wrench,cylinder Hol
Curtiss-Wright Controls, Inc. Div Actuation Division
3930-00-419-7976P21 INTERCHANGEABLE
Truck,lift,fork
The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation
2940-00-505-671651Q35 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5220-00-856-5753P21 INTERCHANGEABLE
Gage,profile
Ambac International Corporation Div Ambac International
5970-00-878-40883-81N INTERCHANGEABLE
Tape,insulation,electrical
Raytheon Company Dba Raytheon
4920-01-071-4148P27 INTERCHANGEABLE
Probe,programmable
Autek Systems Corp
5220-01-102-5288P21 INTERCHANGEABLE
Anvil,v
Service Diamond Tool Co
Cross-Reference Index
Part NumberManufacturer
SEP21 PRIMARY Hupp Industries Inc Typhoon Air Conditioning Div (USA)
P21 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5365-00-019-0517INTERCHANGEABLE
SPACER,RING
P2-1
5310-00-021-8196INTERCHANGEABLE
NUT,PLAIN,HEXAGON
13X14
3110-00-227-3323INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
P21
5120-00-395-8476INTERCHANGEABLE
WRENCH,CYLINDER HOL
923393
3930-00-419-7976INTERCHANGEABLE
TRUCK,LIFT,FORK
P21
2940-00-505-6716INTERCHANGEABLE
FILTER ELEMENT,FLUID
51Q35
5220-00-856-5753INTERCHANGEABLE
GAGE,PROFILE
P21
5970-00-878-4088INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
3-81N
4920-01-071-4148INTERCHANGEABLE
PROBE,PROGRAMMABLE
P27
5220-01-102-5288INTERCHANGEABLE
ANVIL,V
P21
6210-01-354-2950INTERCHANGEABLE
GUARD,LAMP
4210-01-388-9047INTERCHANGEABLE
TRUCK,FIRE FIGHTING
P21

Frequently Asked Questions

What is NSN 4520-00-374-2964?

NSN 4520-00-374-2964 is a Heating Element,electrical,nonim, manufactured by Hupp Industries Inc Typhoon Air Conditioning Div, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-374-2964?

NSN 4520-00-374-2964 has 2 cross-referenced part numbers: SEP21 (Hupp Industries Inc Typhoon Air Conditioning Div), P21 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 4520-00-374-2964?

There are 12 known substitutes for 4520-00-374-2964: 5365-00-019-0517, 5310-00-021-8196, 3110-00-227-3323 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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