PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186593Stem,fluid Valve

United Brass Works, Inc. Dba United Brass Works · NSN 4820-01-259-0357 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-259-0357 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-0357. Primary manufacturer part number: 186593.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 0.250 INCHES IN
  • Valve Type for Which Designed: GLOBE
  • 7 verified cross-references
  • Primary manufacturer: United Brass Works, Inc. Dba United Brass Works
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-259-0357, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United Brass Works, Inc. Dba United Brass Works. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-259-0357
Primary Part Number186593
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnited Brass Works, Inc. Dba United Brass Works
StatusACTIVE
Valve Size for Which Designed0.250 INCHES IN
Valve Type for Which DesignedGLOBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-209-3077186593 INTERCHANGEABLE
Washer,flat
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5342-00-331-3171186593 INTERCHANGEABLE
Clip,teletype Cabinet
Telemechanics Inc
8145-00-371-1696P124 INTERCHANGEABLE
Shipping and Storage Container,p
Naval Inventory Control Point
1420-00-650-5443186593 INTERCHANGEABLE
Wiring Harness,elec
Raytheon Company Dba Raytheon
4820-01-259-0346 INTERCHANGEABLE
Valve,globe
4820-01-259-0366 INTERCHANGEABLE
Disk,valve
Cross-Reference Index
Part NumberManufacturer
186593 United Brass Works, Inc. Dba United Brass Works (USA)
15097-16AND16708 The Central Brass Manufacturing Company (USA)
186593 Harper Trucks, Inc. Dba Harper (USA)
28531-1 United Brass Works, Inc. Dba United Brass Works (USA)
28531-1 Forenta Lp (USA)
186593 Forenta Lp (USA)
28531 Forenta Lp (USA)
Related Parts
5310-00-209-3077INTERCHANGEABLE
WASHER,FLAT
186593
5342-00-331-3171INTERCHANGEABLE
CLIP,TELETYPE CABINET
186593
8145-00-371-1696INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,P
P124
1420-00-650-5443INTERCHANGEABLE
WIRING HARNESS,ELEC
186593
4820-01-259-0346INTERCHANGEABLE
VALVE,GLOBE
4820-01-259-0366INTERCHANGEABLE
DISK,VALVE

Frequently Asked Questions

What is NSN 4820-01-259-0357?

NSN 4820-01-259-0357 is a Stem,fluid Valve, manufactured by United Brass Works, Inc. Dba United Brass Works, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-259-0357?

NSN 4820-01-259-0357 has 7 cross-referenced part numbers: 186593 (United Brass Works, Inc. Dba United Brass Works), 15097-16AND16708 (The Central Brass Manufacturing Company), 186593 (Harper Trucks, Inc. Dba Harper), 28531-1 (United Brass Works, Inc. Dba United Brass Works), 28531-1 (Forenta Lp) and 2 more.

What NSN replaces 4820-01-259-0357?

There are 6 known substitutes for 4820-01-259-0357: 5310-00-209-3077, 5342-00-331-3171, 8145-00-371-1696 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 186593?

Key specifications for 186593: Valve Size for Which Designed: 0.250 INCHES IN; Valve Type for Which Designed: GLOBE. 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