PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1D9638-35172Stem,fluid Valve

Fisher Controls Co Inc · NSN 4820-01-019-2891 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-019-2891 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-019-2891. Primary manufacturer part number: 1D9638-35172.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 4 verified cross-references
  • Primary manufacturer: Fisher Controls Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-019-2891, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fisher Controls Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-019-2891
Primary Part Number1D9638-35172
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFisher Controls Co Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-185-6744 INTERCHANGEABLE
Stem,fluid Valve
Cross-Reference Index
Part NumberManufacturer
1D9638 Fisher Controls Co Inc (USA)
1D9638-3517 Fisher Controls Co Inc (USA)
1D9638 General Regulator Corp. Dba Accudriv (USA)
1D9638-35172 PRIMARY Fisher Controls Co Inc (USA)
Related Parts
4820-01-185-6744INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-01-019-2891?

NSN 4820-01-019-2891 is a Stem,fluid Valve, manufactured by Fisher Controls Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-019-2891?

NSN 4820-01-019-2891 has 4 cross-referenced part numbers: 1D9638 (Fisher Controls Co Inc), 1D9638-3517 (Fisher Controls Co Inc), 1D9638 (General Regulator Corp. Dba Accudriv), 1D9638-35172 (Fisher Controls Co Inc).

What NSN replaces 4820-01-019-2891?

There is 1 known substitute for 4820-01-019-2891: 4820-01-185-6744. Verify interchangeability with system specifications before substitution.

What are the specifications of 1D9638-35172?

Key specifications for 1D9638-35172: Material: STEEL CORROSION RESISTING. 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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