PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40EAdapter,air Conditioning-Heating

Masco Corp American Metal Products Co Div · NSN 4520-01-242-8048 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-242-8048 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-242-8048. Primary manufacturer part number: 40E.
Features
  • Adapter,air Conditioning-Heating — FSC 4520
  • Overall Diameter: 4.000 INCHES NOMINAL IN
  • Surface Treatment: ZINC
  • Material: ALUMINUM AND STEEL CORROSION RESISTING
  • Construction Type: SINGLE
  • 1 verified cross-reference
  • Primary manufacturer: Masco Corp American Metal Products Co Div
Applications
  • Applications requiring Aluminum and Steel Corrosion Resisting construction
General Description

The Adapter,air Conditioning-Heating, cataloged under National Stock Number 4520-01-242-8048, 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 Masco Corp American Metal Products Co Div. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-242-8048
Primary Part Number40E
Item NameAdapter,air Conditioning-Heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMasco Corp American Metal Products Co Div
StatusACTIVE
Overall Diameter4.000 INCHES NOMINAL IN
Surface TreatmentZINC
MaterialALUMINUM AND STEEL CORROSION RESISTING
Construction TypeSINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-174-03255047-5-21 INTERCHANGEABLE
Cock,plug
Chief of Engineers Dept of Army
1005-00-532-318240E INTERCHANGEABLE
Screw,stock
Colt's Manufacturing Company, Llc
7510-01-011-9395 INTERCHANGEABLE
Eraser,mechanical Pencil
4940-01-482-391140E INTERCHANGEABLE
Platform Lift
Jlg Industries Inc
6625-01-569-371540-E INTERCHANGEABLE
Test Probe Attachment
Test Connections, Inc.
Cross-Reference Index
Part NumberManufacturer
40E PRIMARY Masco Corp American Metal Products Co Div (USA)
Related Parts
4820-00-174-0325INTERCHANGEABLE
COCK,PLUG
5047-5-21
1005-00-532-3182INTERCHANGEABLE
SCREW,STOCK
40E
7510-01-011-9395INTERCHANGEABLE
ERASER,MECHANICAL PENCIL
4940-01-482-3911INTERCHANGEABLE
PLATFORM LIFT
40E
6625-01-569-3715INTERCHANGEABLE
TEST PROBE ATTACHMENT
40-E

Frequently Asked Questions

What is NSN 4520-01-242-8048?

NSN 4520-01-242-8048 is a Adapter,air Conditioning-Heating, manufactured by Masco Corp American Metal Products Co Div, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-242-8048?

NSN 4520-01-242-8048 has 1 cross-referenced part number: 40E (Masco Corp American Metal Products Co Div).

What NSN replaces 4520-01-242-8048?

There are 5 known substitutes for 4520-01-242-8048: 4820-00-174-0325, 1005-00-532-3182, 7510-01-011-9395 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40E?

Key specifications for 40E: Overall Diameter: 4.000 INCHES NOMINAL IN; Surface Treatment: ZINC; Material: ALUMINUM AND STEEL CORROSION RESISTING; Construction Type: SINGLE. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com