PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P2Positioner,valve

Robertshaw Controls Co Executive Office · NSN 4820-01-252-4666 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-252-4666 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-4666. Primary manufacturer part number: P2.
Features
  • Positioner,valve — FSC 4820
  • General Characteristics Item Description: ALUMINUM AND STAINLESS STEEL BODY;BUNA-N NYLON DIAPHRAGM;PROPORTIONAL,DIRECT-ACTING;MEDIA AIR;MAXIMUM 30 PSIG;MOUNTS IN ANY POSITION;O/A HEIGHT 4.141 IN.;MAJOR DIA 1.625 IN. IN
  • 2 verified cross-references
  • Primary manufacturer: Robertshaw Controls Co Executive Office
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Positioner,valve, cataloged under National Stock Number 4820-01-252-4666, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Robertshaw Controls Co Executive Office. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-252-4666
Primary Part NumberP2
Item NamePositioner,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRobertshaw Controls Co Executive Office
StatusACTIVE
General Characteristics Item DescriptionALUMINUM AND STAINLESS STEEL BODY;BUNA-N NYLON DIAPHRAGM;PROPORTIONAL,DIRECT-ACTING;MEDIA AIR;MAXIMUM 30 PSIG;MOUNTS IN ANY POSITION;O/A HEIGHT 4.141 IN.;MAJOR DIA 1.625 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-258-9109P310CCT INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
4310-00-400-4891P2 INTERCHANGEABLE
Piston and Shaft
Fl Industries Inc Pneumotive Div
6140-00-434-5883 INTERCHANGEABLE
Battery,storage
6625-00-548-8185 INTERCHANGEABLE
Test Set,electronic Systems
6625-00-643-1785 INTERCHANGEABLE
Test Set,insulation Breakdown
5340-00-726-7425 INTERCHANGEABLE
Plug,protective,dust and Moistur
5325-00-917-5490G57NB-2 INTERCHANGEABLE
Pressl0k
Nmc Group, Inc.
5220-00-968-4609CM2 INTERCHANGEABLE
Gage,plug,plain Cylindrical
Comtorgage Corporation
5996-00-990-2192 INTERCHANGEABLE
Amplifier,direct Current
5330-00-995-6230821737 INTERCHANGEABLE
Seal,plain Encased
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
P2 Robertshaw Controls Co Executive Office (USA)
P2G Robertshaw Controls Co Executive Office (USA)
Related Parts
5935-00-258-9109INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
P310CCT
4310-00-400-4891INTERCHANGEABLE
PISTON AND SHAFT
P2
6140-00-434-5883INTERCHANGEABLE
BATTERY,STORAGE
6625-00-548-8185INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
6625-00-643-1785INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
5340-00-726-7425INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
5325-00-917-5490INTERCHANGEABLE
PRESSL0K
G57NB-2
5220-00-968-4609INTERCHANGEABLE
GAGE,PLUG,PLAIN CYLINDRICAL
CM2
5996-00-990-2192INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
5330-00-995-6230INTERCHANGEABLE
SEAL,PLAIN ENCASED
821737
6130-01-210-2849INTERCHANGEABLE
POWER SUPPLY
4820-01-222-0937INTERCHANGEABLE
SEAT,VALVE
E-246 PIECE 22

Frequently Asked Questions

What is NSN 4820-01-252-4666?

NSN 4820-01-252-4666 is a Positioner,valve, manufactured by Robertshaw Controls Co Executive Office, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-252-4666?

NSN 4820-01-252-4666 has 2 cross-referenced part numbers: P2 (Robertshaw Controls Co Executive Office), P2G (Robertshaw Controls Co Executive Office).

What NSN replaces 4820-01-252-4666?

There are 12 known substitutes for 4820-01-252-4666: 5935-00-258-9109, 4310-00-400-4891, 6140-00-434-5883 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P2?

Key specifications for P2: General Characteristics Item Description: ALUMINUM AND STAINLESS STEEL BODY;BUNA-N NYLON DIAPHRAGM;PROPORTIONAL,DIRECT-ACTING;MEDIA AIR;MAXIMUM 30 PSIG;MOUNTS IN ANY POSITION;O/A HEIGHT 4.141 IN.;MAJOR DIA 1.625 IN. IN. 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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