PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2918Diaphragm,actuator Valve,special

Itt Fluid Technology Corp Itt Engineered Valves Div · NSN 4820-01-421-8763 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-421-8763 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-421-8763. Primary manufacturer part number: 2918.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • 3 verified cross-references
  • Primary manufacturer: Itt Fluid Technology Corp Itt Engineered Valves Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-421-8763, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Itt Fluid Technology Corp Itt Engineered Valves Div. Government technical data includes 1 verified specification, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-421-8763
Primary Part Number2918
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerItt Fluid Technology Corp Itt Engineered Valves Div
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-156-1908 INTERCHANGEABLE
Bearing,ball,thrust
4520-00-404-93202918 INTERCHANGEABLE
Heating Element,electrical,nonim
Goodrich Corporation
4730-00-785-81558C50X-B INTERCHANGEABLE
Elbow,tube to Boss
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5950-01-172-0432406718 INTERCHANGEABLE
Transformer,power
Aimtron Systems, Llc
5365-01-645-48002918 INTERCHANGEABLE
Spacer,straight
Accuracy International of North America, Inc.
Cross-Reference Index
Part NumberManufacturer
2918 Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
001098 ITEM 2 Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
2433-3112-Z-YC-R2 ITEM 2 Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
Related Parts
3110-00-156-1908INTERCHANGEABLE
BEARING,BALL,THRUST
4520-00-404-9320INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2918
4730-00-785-8155INTERCHANGEABLE
ELBOW,TUBE TO BOSS
8C50X-B
5950-01-172-0432INTERCHANGEABLE
TRANSFORMER,POWER
406718
5365-01-645-4800INTERCHANGEABLE
SPACER,STRAIGHT
2918

Frequently Asked Questions

What is NSN 4820-01-421-8763?

NSN 4820-01-421-8763 is a Diaphragm,actuator Valve,special, manufactured by Itt Fluid Technology Corp Itt Engineered Valves Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-421-8763?

NSN 4820-01-421-8763 has 3 cross-referenced part numbers: 2918 (Itt Fluid Technology Corp Itt Engineered Valves Div), 001098 ITEM 2 (Itt Fluid Technology Corp Itt Engineered Valves Div), 2433-3112-Z-YC-R2 ITEM 2 (Itt Fluid Technology Corp Itt Engineered Valves Div).

What NSN replaces 4820-01-421-8763?

There are 5 known substitutes for 4820-01-421-8763: 3110-00-156-1908, 4520-00-404-9320, 4730-00-785-8155 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2918?

Key specifications for 2918: End Item Identification: 170' PATROL COASTAL; Special Features: VALVE SIZE 0.500IN IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 3 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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