PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17637Disk,valve

Imi Cash Valve Inc · NSN 4820-01-385-1258 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-385-1258 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-385-1258. Primary manufacturer part number: 17637.
Features
  • Disk,valve — FSC 4820
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 1 verified cross-reference
  • Primary manufacturer: Imi Cash Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-385-1258, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Cash Valve Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-385-1258
Primary Part Number17637
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Cash Valve Inc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-387-2944570804 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5962-01-076-6613932820-2 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
4820-01-230-3881 INTERCHANGEABLE
Piston,valve
4130-01-459-917617637 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
17637 PRIMARY Imi Cash Valve Inc (USA)
Related Parts
5950-00-387-2944INTERCHANGEABLE
TRANSFORMER,POWER
570804
5962-01-076-6613INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-2
4820-01-230-3881INTERCHANGEABLE
PISTON,VALVE
4130-01-459-9176INTERCHANGEABLE
VACU-DISCS
17637

Frequently Asked Questions

What is NSN 4820-01-385-1258?

NSN 4820-01-385-1258 is a Disk,valve, manufactured by Imi Cash Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-385-1258?

NSN 4820-01-385-1258 has 1 cross-referenced part number: 17637 (Imi Cash Valve Inc).

What NSN replaces 4820-01-385-1258?

There are 4 known substitutes for 4820-01-385-1258: 5950-00-387-2944, 5962-01-076-6613, 4820-01-230-3881 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17637?

Key specifications for 17637: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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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