PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

254259Valve,ball

F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co · NSN 4820-01-677-6873 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-677-6873 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-677-6873. Primary manufacturer part number: 254259.
Features
  • Valve,ball — FSC 4820
  • Valve Size: 1.000 INCHES IN
  • Valve Operation Method: MANUAL
  • 2 verified cross-references
  • Primary manufacturer: F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-677-6873, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-01-677-6873
Primary Part Number254259
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerF.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co
StatusACTIVE
Valve Size1.000 INCHES IN
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-00-268-76373901274 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon Co
2810-00-505-5560172016 INTERCHANGEABLE
Case Assembly,rear
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Cross-Reference Index
Part NumberManufacturer
254259 PRIMARY F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co (USA)
1829-010C Spears Manufacturing Co. (USA)
Related Parts
5962-00-268-7637INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3901274
2810-00-505-5560INTERCHANGEABLE
CASE ASSEMBLY,REAR
172016

Frequently Asked Questions

What is NSN 4820-01-677-6873?

NSN 4820-01-677-6873 is a Valve,ball, manufactured by F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-677-6873?

NSN 4820-01-677-6873 has 2 cross-referenced part numbers: 254259 (F.w. Webb Company Dba W.l. Blake & Co - Division of F.w. Webb Co Div W.l. Blake & Co), 1829-010C (Spears Manufacturing Co.).

What NSN replaces 4820-01-677-6873?

There are 2 known substitutes for 4820-01-677-6873: 5962-00-268-7637, 2810-00-505-5560. Verify interchangeability with system specifications before substitution.

What are the specifications of 254259?

Key specifications for 254259: Valve Size: 1.000 INCHES IN; Valve Operation Method: MANUAL. 2 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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