PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P80433Plug,inlet Valve

Lexair Inc · NSN 4730-00-987-7544 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-987-7544 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-987-7544. Primary manufacturer part number: P80433.
Features
  • Plug,inlet Valve — FSC 4730
  • General Characteristics Item Description: STEEL; 1.250 IN. O/A LG; ONE END 1-3/8-16 UNS-2A THD; 0.500 IN. THD LG; 1.188 IN. OD OF SECOND END; 1.062 IN. BORE DIA ON SECOND END; 0.688 IN. DEPTH OF BORE ON SECOND END; FIRST END BORE IS HEXAGON WITH 0.625 IN. ACROSS FLATS A
  • 6 verified cross-references
  • Primary manufacturer: Lexair Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plug,inlet Valve, cataloged under National Stock Number 4730-00-987-7544, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Lexair Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-987-7544
Primary Part NumberP80433
Item NamePlug,inlet Valve
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 1.250 IN. O/A LG; ONE END 1-3/8-16 UNS-2A THD; 0.500 IN. THD LG; 1.188 IN. OD OF SECOND END; 1.062 IN. BORE DIA ON SECOND END; 0.688 IN. DEPTH OF BORE ON SECOND END; FIRST END BORE IS HEXAGON WITH 0.625 IN. ACROSS FLATS A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-078-003253A68A125 INTERCHANGEABLE
Washer,recessed
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-00-302-9472242027P3 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
9540-00-595-6486 INTERCHANGEABLE
Angle,structural
5977-00-832-5316 INTERCHANGEABLE
Brush,electrical Contact
9540-01-071-3504 INTERCHANGEABLE
Angle,structural
4330-01-072-77280113-0001 INTERCHANGEABLE
Filter,polarizing
Rogerson Kratos
8145-01-251-730415647 INTERCHANGEABLE
Shipping and Storage Container,e
Naval Inventory Control Point
3010-01-306-4113 INTERCHANGEABLE
Gear Assembly,speed Decreaser
3130-01-329-20676044T97P02 INTERCHANGEABLE
Bearing Unit,ball
Mpb Corporation Dba Mpb Corp
6515-01-463-5746OM0504011 INTERCHANGEABLE
Needle,eye,electrosurgical
Allergan Inc
Cross-Reference Index
Part NumberManufacturer
X5008/12/156 ITEM 47 Wellman Group (GBR)
156/47 Wellman Group (GBR)
P80433 PRIMARY Lexair Inc (USA)
P80433 Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
156 ITEM 47 Wellman Group (GBR)
X5008/12/156/47 Wellman Group (GBR)
Related Parts
5310-00-078-0032INTERCHANGEABLE
WASHER,RECESSED
53A68A125
5950-00-302-9472INTERCHANGEABLE
REACTOR
242027P3
9540-00-595-6486INTERCHANGEABLE
ANGLE,STRUCTURAL
5977-00-832-5316INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
9540-01-071-3504INTERCHANGEABLE
ANGLE,STRUCTURAL
4330-01-072-7728INTERCHANGEABLE
FILTER,POLARIZING
0113-0001
8145-01-251-7304INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,E
15647
3010-01-306-4113INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
3130-01-329-2067INTERCHANGEABLE
BEARING UNIT,BALL
6044T97P02
6515-01-463-5746INTERCHANGEABLE
NEEDLE,EYE,ELECTROSURGICAL
OM0504011
5340-01-518-5031INTERCHANGEABLE
KEYSHAFT ASSEMBLY CMBLY
15647

Frequently Asked Questions

What is NSN 4730-00-987-7544?

NSN 4730-00-987-7544 is a Plug,inlet Valve, manufactured by Lexair Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-987-7544?

NSN 4730-00-987-7544 has 6 cross-referenced part numbers: X5008/12/156 ITEM 47 (Wellman Group), 156/47 (Wellman Group), P80433 (Lexair Inc), P80433 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp), 156 ITEM 47 (Wellman Group) and 1 more.

What NSN replaces 4730-00-987-7544?

There are 11 known substitutes for 4730-00-987-7544: 5310-00-078-0032, 5950-00-302-9472, 9540-00-595-6486 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P80433?

Key specifications for P80433: General Characteristics Item Description: STEEL; 1.250 IN. O/A LG; ONE END 1-3/8-16 UNS-2A THD; 0.500 IN. THD LG; 1.188 IN. OD OF SECOND END; 1.062 IN. BORE DIA ON SECOND END; 0.688 IN. DEPTH OF BORE ON SECOND END; FIRST END BORE IS HEXAGON WITH 0.625 IN. ACROSS FLATS A. 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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