PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18387Disk,valve

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 4820-00-918-4865 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-918-4865 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-918-4865. Primary manufacturer part number: 18387.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER SYNTHETIC
  • 2 verified cross-references
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-918-4865, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-918-4865
Primary Part Number18387
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-555-0819 INTERCHANGEABLE
Beam,structural
4310-00-607-348318387 INTERCHANGEABLE
Connecting Rod,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
4320-01-183-2012A-54188 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Eaton Corporation Dba Eaton Inoac Div Eaton
Cross-Reference Index
Part NumberManufacturer
18387SA Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
18387 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
9540-00-555-0819INTERCHANGEABLE
BEAM,STRUCTURAL
4310-00-607-3483INTERCHANGEABLE
CONNECTING ROD,PISTON
18387
4320-01-183-2012INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
A-54188

Frequently Asked Questions

What is NSN 4820-00-918-4865?

NSN 4820-00-918-4865 is a Disk,valve, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-918-4865?

NSN 4820-00-918-4865 has 2 cross-referenced part numbers: 18387SA (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 18387 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 4820-00-918-4865?

There are 3 known substitutes for 4820-00-918-4865: 9540-00-555-0819, 4310-00-607-3483, 4320-01-183-2012. Verify interchangeability with system specifications before substitution.

What are the specifications of 18387?

Key specifications for 18387: Material: RUBBER SYNTHETIC; Overall Height: 0.562 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com