PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65000-2Valve,check

Essex Industries Inc Div Manufacturing Division · NSN 4820-00-627-9865 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-627-9865 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-627-9865. Primary manufacturer part number: 65000-2.
Features
  • Valve,check — FSC 4820
  • Flange Shape: ROUND FIRST END
  • Disk Loading Method: SPRING
  • Flange Face Design: RAISED STRAIGHT FIRST END
  • Material: ALUMINUM ALLOY SEAT
  • Mounting Facility: CLAMP
  • Connection Type: FLANGE ALL ENDS
  • Mounting Position: HORIZONTAL OR VERTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Seat construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-627-9865, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries Inc Div Manufacturing Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4820-00-627-9865
Primary Part Number65000-2
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Industries Inc Div Manufacturing Division
StatusACTIVE
Flange ShapeROUND FIRST END
Disk Loading MethodSPRING
Flange Face DesignRAISED STRAIGHT FIRST END
MaterialALUMINUM ALLOY SEAT
Mounting FacilityCLAMP
Connection TypeFLANGE ALL ENDS
Mounting PositionHORIZONTAL OR VERTICAL
Flow Control DeviceDISK
Surface TreatmentANODIZE
Style DesignatorSTRAIGHT THRU
MaterialALUMINUM ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-043-211365000-2 INTERCHANGEABLE
Screw,machine
Hamilton Sundstrand Corporation Dba Collins Aerospace
5342-00-597-6821780-10 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5999-01-097-4368A-1251-3476-1 INTERCHANGEABLE
Contact,electrical
Keysight Technologies Inc
5325-01-240-7165650002 INTERCHANGEABLE
Ring,retaining
Tr Engineering, Inc Div Tr Engineering Incorporated
6220-01-513-7218650002 INTERCHANGEABLE
Light,marker,clearance
Betts Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
65000-2 PRIMARY Essex Industries Inc Div Manufacturing Division (USA)
Related Parts
5305-00-043-2113INTERCHANGEABLE
SCREW,MACHINE
65000-2
5342-00-597-6821INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
780-10
5999-01-097-4368INTERCHANGEABLE
CONTACT,ELECTRICAL
A-1251-3476-1
5325-01-240-7165INTERCHANGEABLE
RING,RETAINING
650002
6220-01-513-7218INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
650002

Frequently Asked Questions

What is NSN 4820-00-627-9865?

NSN 4820-00-627-9865 is a Valve,check, manufactured by Essex Industries Inc Div Manufacturing Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-627-9865?

NSN 4820-00-627-9865 has 1 cross-referenced part number: 65000-2 (Essex Industries Inc Div Manufacturing Division).

What NSN replaces 4820-00-627-9865?

There are 5 known substitutes for 4820-00-627-9865: 5305-00-043-2113, 5342-00-597-6821, 5999-01-097-4368 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65000-2?

Key specifications for 65000-2: Flange Shape: ROUND FIRST END; Disk Loading Method: SPRING; Flange Face Design: RAISED STRAIGHT FIRST END; Material: ALUMINUM ALLOY SEAT. 11 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