PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2190-0017Flapper,valve,air System

Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging · NSN 4820-00-369-5738 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-369-5738 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-369-5738. Primary manufacturer part number: 2190-0017.
Features
  • Flapper,valve,air System — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Flapper,valve,air System, cataloged under National Stock Number 4820-00-369-5738, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFlapper,valve,air System
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (CAGE 86831)
Technical Specifications
ParameterValue
NSN4820-00-369-5738
Primary Part Number2190-0017
Item NameFlapper,valve,air System
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSafran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-401-69312190-0016 INTERCHANGEABLE
Washer,lock
Keysight Technologies Inc
5310-00-576-0546MS35338-99 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-576-7777 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
2190-0017 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
2190-0016 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
2190-0017 PRIMARY Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
5310-00-401-6931INTERCHANGEABLE
WASHER,LOCK
2190-0016
5310-00-576-0546INTERCHANGEABLE
WASHER,LOCK
MS35338-99
5310-00-576-7777INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 4820-00-369-5738?

NSN 4820-00-369-5738 is a Flapper,valve,air System, manufactured by Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-369-5738?

NSN 4820-00-369-5738 has 3 cross-referenced part numbers: 2190-0017 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 2190-0016 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 2190-0017 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 4820-00-369-5738?

There are 3 known substitutes for 4820-00-369-5738: 5310-00-401-6931, 5310-00-576-0546, 5310-00-576-7777. Verify interchangeability with system specifications before substitution.

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