PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18325Disk,valve

Provision, Inc. Dba Provision Inc · NSN 4820-00-253-9088 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-253-9088 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-253-9088. Primary manufacturer part number: 18325.
Features
  • Disk,valve — FSC 4820
  • Thread Series Designator: UNS
  • Style Designator: PLUG
  • Material: STEEL
  • Outside Diameter: 2.105 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 14
  • Seat Angle: 20.0 DEGREES NOMINAL
  • Nominal Thread Size: 1.375 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-253-9088, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Provision, Inc. Dba Provision Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-253-9088
Primary Part Number18325
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerProvision, Inc. Dba Provision Inc
StatusCANCELLED
Thread Series DesignatorUNS
Style DesignatorPLUG
MaterialSTEEL
Outside Diameter2.105 INCHES NOMINAL IN
Thread Quantity Per Inch14
Seat Angle20.0 DEGREES NOMINAL
Nominal Thread Size1.375 INCHES IN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5315-00-085-4087 INTERCHANGEABLE
Key,woodruff
5950-00-086-8834 INTERCHANGEABLE
Coil,radio Frequency
5935-00-154-0382 INTERCHANGEABLE
Connector,receptacle,electrical
5330-00-291-963118325 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3460-00-387-008618325 INTERCHANGEABLE
Collet,machine
Black and Decker Us Inc
5340-00-598-553518326 INTERCHANGEABLE
Plug,expansion
Rolls-Royce Corporation
2010-00-919-4612 INTERCHANGEABLE
Ring,flinger
5999-01-055-02299098-5007-31 INTERCHANGEABLE
Contact,electrical
Tyco Electronics Corp
5133-01-068-4027 INTERCHANGEABLE
Drill,twist
5133-01-119-3215 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
18325 PRIMARY Provision, Inc. Dba Provision Inc (USA)
18326 Provision, Inc. Dba Provision Inc (USA)
Related Parts
5315-00-085-4087INTERCHANGEABLE
KEY,WOODRUFF
5950-00-086-8834INTERCHANGEABLE
COIL,RADIO FREQUENCY
5935-00-154-0382INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5330-00-291-9631INTERCHANGEABLE
SEAL,PLAIN ENCASED
18325
3460-00-387-0086INTERCHANGEABLE
COLLET,MACHINE
18325
5340-00-598-5535INTERCHANGEABLE
PLUG,EXPANSION
18326
2010-00-919-4612INTERCHANGEABLE
RING,FLINGER
5999-01-055-0229INTERCHANGEABLE
CONTACT,ELECTRICAL
9098-5007-31
5133-01-068-4027INTERCHANGEABLE
DRILL,TWIST
5133-01-119-3215INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 4820-00-253-9088?

NSN 4820-00-253-9088 is a Disk,valve, manufactured by Provision, Inc. Dba Provision Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-253-9088?

NSN 4820-00-253-9088 has 2 cross-referenced part numbers: 18325 (Provision, Inc. Dba Provision Inc), 18326 (Provision, Inc. Dba Provision Inc).

What NSN replaces 4820-00-253-9088?

There are 10 known substitutes for 4820-00-253-9088: 5315-00-085-4087, 5950-00-086-8834, 5935-00-154-0382 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18325?

Key specifications for 18325: Overall Height: 1.095 INCHES NOMINAL IN; Thread Series Designator: UNS; Style Designator: PLUG; Material: STEEL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-253-9088 still in active supply?

NSN 4820-00-253-9088 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.
PartsTable Design LLC · partstable.com