PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

161403Head Assembly,upper

Aerco International, Inc. Dba Aerco International Inc · NSN 4420-01-181-0372 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-181-0372 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-181-0372. Primary manufacturer part number: 161403.
Features
  • Head Assembly,upper — FSC 4420
  • 2 verified cross-references
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Head Assembly,upper, cataloged under National Stock Number 4420-01-181-0372, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHead Assembly,upper
FSC / FSG4420 — No Item Name Available (FSG 44)
ManufacturersAerco International, Inc. Dba Aerco International Inc (CAGE 95368)
Technical Specifications
ParameterValue
NSN4420-01-181-0372
Primary Part Number161403
Item NameHead Assembly,upper
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1330-00-028-584782-1-7 INTERCHANGEABLE
Grenade,hand
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
3120-00-107-64528217 INTERCHANGEABLE
Bearing,sleeve
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6810-00-138-8871 INTERCHANGEABLE
Hardness Buffer Solution
5965-00-170-5232M-105/U INTERCHANGEABLE
Microphone,dynamic
Joint Electronics Type Designation System
6515-01-023-46521614-03 INTERCHANGEABLE
Blood Collecting and Dispensing
Abbott Laboratories Inc. Div Hospital Products Division
5340-01-282-76448217 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
1560-01-360-5230 INTERCHANGEABLE
Flame Arrester,airframe
4240-01-386-5563 INTERCHANGEABLE
Fitting,implement
6515-01-564-85474208040L INTERCHANGEABLE
Catheter,cardiovascular
Johnson & Johnson Health Care Systems Inc.
Cross-Reference Index
Part NumberManufacturer
161403 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
8217 Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
1330-00-028-5847INTERCHANGEABLE
GRENADE,HAND
82-1-7
3120-00-107-6452INTERCHANGEABLE
BEARING,SLEEVE
8217
6810-00-138-8871INTERCHANGEABLE
HARDNESS BUFFER SOLUTION
5965-00-170-5232INTERCHANGEABLE
MICROPHONE,DYNAMIC
M-105/U
6515-01-023-4652INTERCHANGEABLE
BLOOD COLLECTING AND DISPENSING
1614-03
5340-01-282-7644INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8217
1560-01-360-5230INTERCHANGEABLE
FLAME ARRESTER,AIRFRAME
4240-01-386-5563INTERCHANGEABLE
FITTING,IMPLEMENT
6515-01-564-8547INTERCHANGEABLE
CATHETER,CARDIOVASCULAR
4208040L

Frequently Asked Questions

What is NSN 4420-01-181-0372?

NSN 4420-01-181-0372 is a Head Assembly,upper, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-181-0372?

NSN 4420-01-181-0372 has 2 cross-referenced part numbers: 161403 (Aerco International, Inc. Dba Aerco International Inc), 8217 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4420-01-181-0372?

There are 9 known substitutes for 4420-01-181-0372: 1330-00-028-5847, 3120-00-107-6452, 6810-00-138-8871 and 6 more. Verify interchangeability with system specifications before substitution.

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