PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P80541Valve,check

Lexair Inc · NSN 4820-00-217-2814 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-217-2814 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-217-2814. Primary manufacturer part number: P80541.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Disk Loading Method: SPRING
  • Material: STEEL CORROSION RESISTING OVERALL
  • Connection Type: UNTHREADED CARTRIDGE ALL ENDS
  • 4 verified cross-references
  • Primary manufacturer: Lexair Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-217-2814, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lexair Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-217-2814
Primary Part NumberP80541
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
Valve Operation MethodAUTOMATIC
Disk Loading MethodSPRING
MaterialSTEEL CORROSION RESISTING OVERALL
Connection TypeUNTHREADED CARTRIDGE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5970-00-156-8599 INTERCHANGEABLE
Insulator
5340-00-205-515215641 INTERCHANGEABLE
Catch,clamping
Smith-Berger Marine, Inc
5340-00-329-26959024777 INTERCHANGEABLE
Strike,catch
Us Army Aviation and Missile Command
5950-00-583-424315641 INTERCHANGEABLE
Transformer,audio Frequency
Robert M. Hadley Company, Inc.
4320-00-733-0674B2302 INTERCHANGEABLE
Followe
Myers F E Co Sub of Pentair Corp
6150-01-332-341715-641 INTERCHANGEABLE
Cable and Conduit Assembly,elect
Phaostron Instrument and Electronic Company
5999-01-525-99051564-1 INTERCHANGEABLE
Light-Switch
Textron Aviation Inc
5331-01-562-003315641 INTERCHANGEABLE
O-Ring
Allied Systems Company Dba Allied Systems Co
7690-01-730-905715641 INTERCHANGEABLE
Marker,identification
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
ASC1529651 Asc Pty Ltd (AUS)
156/41 Wellman Group (GBR)
2-AP-8-BS PC41 Lexair Inc (USA)
P80541 PRIMARY Lexair Inc (USA)
Related Parts
5970-00-156-8599INTERCHANGEABLE
INSULATOR
5340-00-205-5152INTERCHANGEABLE
CATCH,CLAMPING
15641
5340-00-329-2695INTERCHANGEABLE
STRIKE,CATCH
9024777
5950-00-583-4243INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
15641
4320-00-733-0674INTERCHANGEABLE
FOLLOWE
B2302
6150-01-332-3417INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,ELECT
15-641
5999-01-525-9905INTERCHANGEABLE
LIGHT-SWITCH
1564-1
5331-01-562-0033INTERCHANGEABLE
O-RING
15641
7690-01-730-9057INTERCHANGEABLE
MARKER,IDENTIFICATION
15641

Frequently Asked Questions

What is NSN 4820-00-217-2814?

NSN 4820-00-217-2814 is a Valve,check, manufactured by Lexair Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-217-2814?

NSN 4820-00-217-2814 has 4 cross-referenced part numbers: ASC1529651 (Asc Pty Ltd), 156/41 (Wellman Group), 2-AP-8-BS PC41 (Lexair Inc), P80541 (Lexair Inc).

What NSN replaces 4820-00-217-2814?

There are 9 known substitutes for 4820-00-217-2814: 5970-00-156-8599, 5340-00-205-5152, 5340-00-329-2695 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P80541?

Key specifications for P80541: Valve Operation Method: AUTOMATIC; Disk Loading Method: SPRING; Material: STEEL CORROSION RESISTING OVERALL; Connection Type: UNTHREADED CARTRIDGE ALL ENDS. 4 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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