PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19165Adapter,air Conditioning-Heating

Ritchie Engineering Co Inc · NSN 4520-01-529-4186 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-529-4186 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-529-4186. Primary manufacturer part number: 19165.
Features
  • Adapter,air Conditioning-Heating — FSC 4520
  • Supplementary Features: 1/2 INCH ACME FEMALE BY 1/4 INCH MALE IN
  • 1 verified cross-reference
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,air Conditioning-Heating, cataloged under National Stock Number 4520-01-529-4186, 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 Ritchie Engineering Co Inc. Government technical data includes 1 verified specification, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-529-4186
Primary Part Number19165
Item NameAdapter,air Conditioning-Heating
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Supplementary Features1/2 INCH ACME FEMALE BY 1/4 INCH MALE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5960-00-082-3326 INTERCHANGEABLE
Electron Tube
5365-00-446-9872 INTERCHANGEABLE
Spacer,sleeve
3120-01-075-5309 INTERCHANGEABLE
Bearing,sleeve
5930-01-111-539719165 INTERCHANGEABLE
Switch,flow
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5940-01-143-479419165 INTERCHANGEABLE
Terminal,stud
Kurz & Root Generator Company, Llc
6550-01-317-493019-165 INTERCHANGEABLE
Bacteria Culture Control Discs
Remel Inc.
6515-01-536-894719-165 INTERCHANGEABLE
Forceps,bone Holding
Hu-Friedy Mfg. Co., Llc
6505-01-588-5620NDC00009-0013-05 INTERCHANGEABLE
Hydrocortisone Sodium Succinate
Pfizer Inc
Cross-Reference Index
Part NumberManufacturer
19165 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
5960-00-082-3326INTERCHANGEABLE
ELECTRON TUBE
5365-00-446-9872INTERCHANGEABLE
SPACER,SLEEVE
3120-01-075-5309INTERCHANGEABLE
BEARING,SLEEVE
5930-01-111-5397INTERCHANGEABLE
SWITCH,FLOW
19165
5940-01-143-4794INTERCHANGEABLE
TERMINAL,STUD
19165
6550-01-317-4930INTERCHANGEABLE
BACTERIA CULTURE CONTROL DISCS
19-165
6515-01-536-8947INTERCHANGEABLE
FORCEPS,BONE HOLDING
19-165
6505-01-588-5620INTERCHANGEABLE
HYDROCORTISONE SODIUM SUCCINATE
NDC00009-0013-05

Frequently Asked Questions

What is NSN 4520-01-529-4186?

NSN 4520-01-529-4186 is a Adapter,air Conditioning-Heating, manufactured by Ritchie Engineering Co Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-529-4186?

NSN 4520-01-529-4186 has 1 cross-referenced part number: 19165 (Ritchie Engineering Co Inc).

What NSN replaces 4520-01-529-4186?

There are 8 known substitutes for 4520-01-529-4186: 5960-00-082-3326, 5365-00-446-9872, 3120-01-075-5309 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19165?

Key specifications for 19165: Supplementary Features: 1/2 INCH ACME FEMALE BY 1/4 INCH MALE IN. 1 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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