PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AV46Valve,pneumatic Tank

Oasis Construction Div Supply Nurses · NSN 4820-01-012-6437 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-012-6437 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-012-6437. Primary manufacturer part number: AV46.
Features
  • Valve,pneumatic Tank — FSC 4820
  • Second End Relationship with First End: NOT IDENTICAL
  • Body Style: STRAIGHT THRU
  • Second End Style Designator: PLAIN
  • First End Thread Class: 2A A
  • Flow Control Device: NEEDLE
  • First End Style Designator: FLARED
  • End Connection Quantity: 2
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Spring construction
General Description

The Valve,pneumatic Tank, cataloged under National Stock Number 4820-01-012-6437, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oasis Construction Div Supply Nurses. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-012-6437
Primary Part NumberAV46
Item NameValve,pneumatic Tank
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOasis Construction Div Supply Nurses
StatusCANCELLED
Second End Relationship with First EndNOT IDENTICAL
Body StyleSTRAIGHT THRU
Second End Style DesignatorPLAIN
First End Thread Class2A A
Flow Control DeviceNEEDLE
First End Style DesignatorFLARED
End Connection Quantity2
First End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING SPRING
Commercial Spring Tension RatingMEDIUM HIGH
MaterialCOPPER ALLOY BODY
First End Seat Angle in Deg37.0
Second End Connection TypeUNTHREADED EXTERNAL TUBE
Furnished ItemsCAP AND RUBBER WASHER
First End Connection TypeTHREADED EXTERNAL TUBE
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
First End Thread DirectionRIGHT-HAND
Commercial Core Length DesignatorSHORT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2920-00-224-5254IGE1016 INTERCHANGEABLE
Rotor,ignition Distributor
Prestolite Electric Inc
5330-00-361-999124813 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5331-00-464-7350154-6 INTERCHANGEABLE
O-Ring
Ldi Industries, Inc. Dba Ldi Industries Inc
5950-00-646-4358L215659 INTERCHANGEABLE
Coil,electrical
Raytheon Company Dba Raytheon Co
5905-00-688-3697 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5330-01-020-9281203143 INTERCHANGEABLE
Gasket
Young Touchstone Company Div Young Touchstone
5330-01-052-7555154-6 INTERCHANGEABLE
Felt,mechanical,preformed
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
5935-01-096-54941546 INTERCHANGEABLE
Connector
Crown Audio, Inc. Dba Crown International
6680-01-149-26731546 INTERCHANGEABLE
Stroboscope
Iet Labs Inc
4330-01-163-358451546 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
1546 Alter Harry Co the Div of T E C (USA)
1559AS148 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
1559AS148-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
AV46 PRIMARY Oasis Construction Div Supply Nurses (USA)
AV46-1 Oasis Construction Div Supply Nurses (USA)
AV-46R PRIMARY Oasis Construction Div Supply Nurses (USA)
M500032 Mgr Equipment Corp (USA)
Related Parts
2920-00-224-5254INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
IGE1016
5330-00-361-9991INTERCHANGEABLE
GASKET
24813
5331-00-464-7350INTERCHANGEABLE
O-RING
154-6
5950-00-646-4358INTERCHANGEABLE
COIL,ELECTRICAL
L215659
5905-00-688-3697INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5330-01-020-9281INTERCHANGEABLE
GASKET
203143
5330-01-052-7555INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
154-6
5935-01-096-5494INTERCHANGEABLE
CONNECTOR
1546
6680-01-149-2673INTERCHANGEABLE
STROBOSCOPE
1546
4330-01-163-3584INTERCHANGEABLE
FILTER ELEMENT,FLUID
51546
5305-01-237-0828INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
3162061032
5965-01-332-0616INTERCHANGEABLE
BRACKET,MICROPHONE
1546

Frequently Asked Questions

What is NSN 4820-01-012-6437?

NSN 4820-01-012-6437 is a Valve,pneumatic Tank, manufactured by Oasis Construction Div Supply Nurses, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-012-6437?

NSN 4820-01-012-6437 has 7 cross-referenced part numbers: 1546 (Alter Harry Co the Div of T E C), 1559AS148 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1559AS148-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), AV46 (Oasis Construction Div Supply Nurses), AV46-1 (Oasis Construction Div Supply Nurses) and 2 more.

What NSN replaces 4820-01-012-6437?

There are 12 known substitutes for 4820-01-012-6437: 2920-00-224-5254, 5330-00-361-9991, 5331-00-464-7350 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AV46?

Key specifications for AV46: Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU; Second End Style Designator: PLAIN; First End Thread Class: 2A A. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-012-6437 still in active supply?

NSN 4820-01-012-6437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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