PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8414 PIECE 3Stem,fluid Valve

William E Williams Valve Corp · NSN 4820-01-276-3517 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-276-3517 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-276-3517. Primary manufacturer part number: 8414 PIECE 3.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL COMP 410
  • Valve Size for Which Designed: 5.000 INCHES IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Type for Which Designed: ANGLE
  • Material Document and Classification: ASTM AISI 410 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Model Number for Which Designed: NO 153F1
  • Features Provided: RISING STEM AND THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 410 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-276-3517, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William E Williams Valve Corp. Government technical data includes 7 verified specifications, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-276-3517
Primary Part Number8414 PIECE 3
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam E Williams Valve Corp
StatusACTIVE
MaterialSTEEL COMP 410
Valve Size for Which Designed5.000 INCHES IN
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Type for Which DesignedANGLE
Material Document and ClassificationASTM AISI 410 ASSN STD SINGLE MATERIAL RESPONSE
Valve Model Number for Which DesignedNO 153F1
Features ProvidedRISING STEM AND THREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6135-00-125-5256 INTERCHANGEABLE
Battery,nonrechargeable
5975-00-153-6774 INTERCHANGEABLE
Cover,junction Box
3110-00-156-46285414 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5977-00-178-8127234-0090-000 INTERCHANGEABLE
Brush,electrical Contact
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5306-00-292-8261 INTERCHANGEABLE
Bolt,close Tolerance
1620-00-672-78948414 INTERCHANGEABLE
Pulley Assy,steer D
Goodrich Corporation
4820-01-270-0893153F-1-5.00IN INTERCHANGEABLE
Valve,angle
William E Williams Valve Corp
4820-01-276-36128414 PC 5 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
5940-01-422-27498414 INTERCHANGEABLE
Terminal Board
Hoyt Corporation
5340-01-529-1498 INTERCHANGEABLE
Standoff,threaded,spacing
Cross-Reference Index
Part NumberManufacturer
8414 William E Williams Valve Corp (USA)
8414 PIECE 3 PRIMARY William E Williams Valve Corp (USA)
153F-1 PC 3 5IN William E Williams Valve Corp (USA)
Related Parts
6135-00-125-5256INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5975-00-153-6774INTERCHANGEABLE
COVER,JUNCTION BOX
3110-00-156-4628INTERCHANGEABLE
BEARING,BALL,ANNULAR
5414
5977-00-178-8127INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
234-0090-000
5306-00-292-8261INTERCHANGEABLE
BOLT,CLOSE TOLERANCE
1620-00-672-7894INTERCHANGEABLE
PULLEY ASSY,STEER D
8414
4820-01-270-0893INTERCHANGEABLE
VALVE,ANGLE
153F-1-5.00IN
4820-01-276-3612INTERCHANGEABLE
DISK,VALVE
8414 PC 5
5940-01-422-2749INTERCHANGEABLE
TERMINAL BOARD
8414
5340-01-529-1498INTERCHANGEABLE
STANDOFF,THREADED,SPACING

Frequently Asked Questions

What is NSN 4820-01-276-3517?

NSN 4820-01-276-3517 is a Stem,fluid Valve, manufactured by William E Williams Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-276-3517?

NSN 4820-01-276-3517 has 3 cross-referenced part numbers: 8414 (William E Williams Valve Corp), 8414 PIECE 3 (William E Williams Valve Corp), 153F-1 PC 3 5IN (William E Williams Valve Corp).

What NSN replaces 4820-01-276-3517?

There are 10 known substitutes for 4820-01-276-3517: 6135-00-125-5256, 5975-00-153-6774, 3110-00-156-4628 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8414 PIECE 3?

Key specifications for 8414 PIECE 3: Material: STEEL COMP 410; Valve Size for Which Designed: 5.000 INCHES IN; Stem Actuating End Type: THREADED EXTERNALLY; Valve Type for Which Designed: ANGLE. 7 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