PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

193257Piston,valve

Bosch Rexroth Corporation Div Industrial Hydraulics · NSN 4820-01-233-7332 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-233-7332 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-7332. Primary manufacturer part number: 193257.
Features
  • Piston,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Bosch Rexroth Corporation Div Industrial Hydraulics
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-233-7332, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-233-7332
Primary Part Number193257
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBosch Rexroth Corporation Div Industrial Hydraulics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-019-3257 INTERCHANGEABLE
Screw,machine
5360-00-033-4815193257 INTERCHANGEABLE
Spring,helical,compression
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
BM-190273 ITEM 5VM Naval Inventory Control Point Mechanicsburg (USA)
193257 PRIMARY Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
BM-190273 ITEM 5 Bosch Rexroth Corporation Div Industrial Hydraulics (USA)
193257VM Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5305-00-019-3257INTERCHANGEABLE
SCREW,MACHINE
5360-00-033-4815INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
193257

Frequently Asked Questions

What is NSN 4820-01-233-7332?

NSN 4820-01-233-7332 is a Piston,valve, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-233-7332?

NSN 4820-01-233-7332 has 4 cross-referenced part numbers: BM-190273 ITEM 5VM (Naval Inventory Control Point Mechanicsburg), 193257 (Bosch Rexroth Corporation Div Industrial Hydraulics), BM-190273 ITEM 5 (Bosch Rexroth Corporation Div Industrial Hydraulics), 193257VM (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-233-7332?

There are 2 known substitutes for 4820-01-233-7332: 5305-00-019-3257, 5360-00-033-4815. Verify interchangeability with system specifications before substitution.

What are the specifications of 193257?

Key specifications for 193257: Special Features: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; CONE SHAPED. 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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