PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E5Elbow,air Conditioning-Heating

United Mcgill Corp · NSN 4520-00-912-3021 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-912-3021 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-912-3021. Primary manufacturer part number: E5.
Features
  • Elbow,air Conditioning-Heating — FSC 4520
  • Style Designator: ADJUSTABLE
  • Surface Treatment: ZINC
  • Material: STEEL
  • Sheet Metal Gage Size: 20
  • Adjustability Feature: INCLUDED
  • Angle in Deg: 90.0
  • Construction Type: SINGLE
Applications
  • Applications requiring Steel construction
General Description

The Elbow,air Conditioning-Heating, cataloged under National Stock Number 4520-00-912-3021, 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 United Mcgill Corp. Government technical data includes 7 verified specifications, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-912-3021
Primary Part NumberE5
Item NameElbow,air Conditioning-Heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerUnited Mcgill Corp
StatusACTIVE
Style DesignatorADJUSTABLE
Surface TreatmentZINC
MaterialSTEEL
Sheet Metal Gage Size20
Adjustability FeatureINCLUDED
Angle in Deg90.0
Construction TypeSINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-035-8804267508 INTERCHANGEABLE
Contact,electrical
Thompson O Co Div of Schindler Elevator Corp
5945-00-056-8136 INTERCHANGEABLE
Relay,electromagnetic
3110-00-100-8515E0005 INTERCHANGEABLE
Bearing,ball,thrust
Abc Acquisition Company Dba Aetna Bearing Company
3110-00-156-5303 INTERCHANGEABLE
Bearing,ball,annular
5120-00-223-6944 INTERCHANGEABLE
Extractor,screw
5920-00-280-355738005 INTERCHANGEABLE
Retainer,fuse
Trico Corporation Div Trico Corp
3120-00-294-0017BS5-1950PC9 INTERCHANGEABLE
Bushing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
5340-00-317-271110688 INTERCHANGEABLE
Clamp,loop
Naval Ship Systems Command
3110-00-554-6120E5 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
3433-01-075-2147E-5 INTERCHANGEABLE
Tip,welding Torch
Dockson Corporation
Cross-Reference Index
Part NumberManufacturer
E5 United Mcgill Corp (USA)
Related Parts
5999-00-035-8804INTERCHANGEABLE
CONTACT,ELECTRICAL
267508
5945-00-056-8136INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3110-00-100-8515INTERCHANGEABLE
BEARING,BALL,THRUST
E0005
3110-00-156-5303INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-223-6944INTERCHANGEABLE
EXTRACTOR,SCREW
5920-00-280-3557INTERCHANGEABLE
RETAINER,FUSE
38005
3120-00-294-0017INTERCHANGEABLE
BUSHING,SLEEVE
BS5-1950PC9
5340-00-317-2711INTERCHANGEABLE
CLAMP,LOOP
10688
3110-00-554-6120INTERCHANGEABLE
BEARING,BALL,ANNULAR
E5
3433-01-075-2147INTERCHANGEABLE
TIP,WELDING TORCH
E-5
5330-01-091-6105INTERCHANGEABLE
GASKET
E5
5340-01-245-3285INTERCHANGEABLE
CLAMP,LOOP

Frequently Asked Questions

What is NSN 4520-00-912-3021?

NSN 4520-00-912-3021 is a Elbow,air Conditioning-Heating, manufactured by United Mcgill Corp, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-912-3021?

NSN 4520-00-912-3021 has 1 cross-referenced part number: E5 (United Mcgill Corp).

What NSN replaces 4520-00-912-3021?

There are 12 known substitutes for 4520-00-912-3021: 5999-00-035-8804, 5945-00-056-8136, 3110-00-100-8515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E5?

Key specifications for E5: Style Designator: ADJUSTABLE; Surface Treatment: ZINC; Material: STEEL; Sheet Metal Gage Size: 20. 8 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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