PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65AScreen Pilot Valve

Spence Engineering Co Inc Dba Nicholson Steam Trap · NSN 4820-00-957-5674 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-957-5674 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-957-5674. Primary manufacturer part number: 65A.
Features
  • Screen Pilot Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Spence Engineering Co Inc Dba Nicholson Steam Trap
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Screen Pilot Valve, cataloged under National Stock Number 4820-00-957-5674, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spence Engineering Co Inc Dba Nicholson Steam Trap. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScreen Pilot Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersSpence Engineering Co Inc Dba Nicholson Steam Trap (CAGE 82483)
Technical Specifications
ParameterValue
NSN4820-00-957-5674
Primary Part Number65A
Item NameScreen Pilot Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpence Engineering Co Inc Dba Nicholson Steam Trap
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
8340-00-050-8746 INTERCHANGEABLE
Arm,tent Door Control
5935-00-067-67755273L INTERCHANGEABLE
Adapter,connector
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5330-00-435-8491LPD9684 INTERCHANGEABLE
Seal,plain
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
4810-01-218-705865-A INTERCHANGEABLE
Actuator,electromechanical,rotar
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
65A PRIMARY Spence Engineering Co Inc Dba Nicholson Steam Trap (USA)
Related Parts
8340-00-050-8746INTERCHANGEABLE
ARM,TENT DOOR CONTROL
5935-00-067-6775INTERCHANGEABLE
ADAPTER,CONNECTOR
5273L
5330-00-435-8491INTERCHANGEABLE
SEAL,PLAIN
LPD9684
4810-01-218-7058INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
65-A

Frequently Asked Questions

What is NSN 4820-00-957-5674?

NSN 4820-00-957-5674 is a Screen Pilot Valve, manufactured by Spence Engineering Co Inc Dba Nicholson Steam Trap, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-957-5674?

NSN 4820-00-957-5674 has 1 cross-referenced part number: 65A (Spence Engineering Co Inc Dba Nicholson Steam Trap).

What NSN replaces 4820-00-957-5674?

There are 4 known substitutes for 4820-00-957-5674: 8340-00-050-8746, 5935-00-067-6775, 5330-00-435-8491 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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