PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VY897Indicator,valve

Ashcroft Inc Dba Heise · NSN 4820-01-171-5058 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-171-5058 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-5058. Primary manufacturer part number: VY897.
Features
  • Indicator,valve — FSC 4820
  • General Characteristics Item Description: BRASS;0.062 IN. THK;1.875 IN. LG;0.500 IN. OD IN
  • 3 verified cross-references
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Indicator,valve, cataloged under National Stock Number 4820-01-171-5058, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-171-5058
Primary Part NumberVY897
Item NameIndicator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
General Characteristics Item DescriptionBRASS;0.062 IN. THK;1.875 IN. LG;0.500 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-169-5316 INTERCHANGEABLE
Valve,safety Relief
4820-01-171-50775V0G72 PIECE 6A INTERCHANGEABLE
Stem,fluid Valve
Ashcroft Inc Dba Heise
3040-01-174-0678 INTERCHANGEABLE
Collar,shaft
Cross-Reference Index
Part NumberManufacturer
VY897 PRIMARY Ashcroft Inc Dba Heise (USA)
5V0G72 Ashcroft Inc Dba Heise (USA)
5V0G72 PC 26 Ashcroft Inc Dba Heise (USA)
Related Parts
4820-00-169-5316INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-171-5077INTERCHANGEABLE
STEM,FLUID VALVE
5V0G72 PIECE 6A
3040-01-174-0678INTERCHANGEABLE
COLLAR,SHAFT

Frequently Asked Questions

What is NSN 4820-01-171-5058?

NSN 4820-01-171-5058 is a Indicator,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-171-5058?

NSN 4820-01-171-5058 has 3 cross-referenced part numbers: VY897 (Ashcroft Inc Dba Heise), 5V0G72 (Ashcroft Inc Dba Heise), 5V0G72 PC 26 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-01-171-5058?

There are 3 known substitutes for 4820-01-171-5058: 4820-00-169-5316, 4820-01-171-5077, 3040-01-174-0678. Verify interchangeability with system specifications before substitution.

What are the specifications of VY897?

Key specifications for VY897: General Characteristics Item Description: BRASS;0.062 IN. THK;1.875 IN. LG;0.500 IN. OD IN. 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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