PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5000-3Union Orifice

Aerco International, Inc. Dba Aerco International Inc · NSN 4420-01-176-0505 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-176-0505 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-176-0505. Primary manufacturer part number: 5000-3.
Features
  • Union Orifice — FSC 4420
  • 1 verified cross-reference
  • 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 Union Orifice, cataloged under National Stock Number 4420-01-176-0505, 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 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.

Catalog Facts
Item NameUnion Orifice
FSC / FSG4420 — No Item Name Available (FSG 44)
ManufacturersAerco International, Inc. Dba Aerco International Inc (CAGE 95368)
Technical Specifications
ParameterValue
NSN4420-01-176-0505
Primary Part Number5000-3
Item NameUnion Orifice
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-063-9230103957-1 INTERCHANGEABLE
Delay Line
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-119-717550003 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation Dba Collins Aerospace
5895-00-476-5633 INTERCHANGEABLE
Knife
3010-00-569-834650003 INTERCHANGEABLE
Coupling,shaft,rigid
Parker Hannifin Corporation Div Hydraulic Systems Division
5330-00-599-62038354439 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-702-4199 INTERCHANGEABLE
Jack,tip
5985-00-948-2672013-1211-000 INTERCHANGEABLE
Line Section,radio Frequency Tra
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6240-00-983-2641 INTERCHANGEABLE
Lamp,glow
4710-01-088-779050003 INTERCHANGEABLE
Tube Assembly,metal
C-Way Industries Inc
6615-01-266-764150003 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Cross-Reference Index
Part NumberManufacturer
5000-3 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
5999-00-063-9230INTERCHANGEABLE
DELAY LINE
103957-1
5330-00-119-7175INTERCHANGEABLE
GASKET
50003
5895-00-476-5633INTERCHANGEABLE
KNIFE
3010-00-569-8346INTERCHANGEABLE
COUPLING,SHAFT,RIGID
50003
5330-00-599-6203INTERCHANGEABLE
SEAL,PLAIN ENCASED
8354439
5935-00-702-4199INTERCHANGEABLE
JACK,TIP
5985-00-948-2672INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
013-1211-000
6240-00-983-2641INTERCHANGEABLE
LAMP,GLOW
4710-01-088-7790INTERCHANGEABLE
TUBE ASSEMBLY,METAL
50003
6615-01-266-7641INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
50003
5310-01-311-9139INTERCHANGEABLE
NUT,CROSSFEED
50003
3110-01-328-4075INTERCHANGEABLE
BALL,BEARING
50003

Frequently Asked Questions

What is NSN 4420-01-176-0505?

NSN 4420-01-176-0505 is a Union Orifice, 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 4420-01-176-0505?

NSN 4420-01-176-0505 has 1 cross-referenced part number: 5000-3 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4420-01-176-0505?

There are 12 known substitutes for 4420-01-176-0505: 5999-00-063-9230, 5330-00-119-7175, 5895-00-476-5633 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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