PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

690002Diaphragm,valve,flat

Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc · NSN 4820-01-123-8407 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-123-8407 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-123-8407. Primary manufacturer part number: 690002.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Outside Diameter: 10.000 INCHES NOMINAL IN
  • Style Designator: FLAT
  • Bolt Circle Diameter: 8.875 INCHES NOMINAL IN
  • Material Thickness: 0.047 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.875 INCHES NOMINAL IN
  • Material: RUBBER
  • Hole Diameter: 0.438 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-123-8407, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-123-8407
Primary Part Number690002
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc
StatusACTIVE
Outside Diameter10.000 INCHES NOMINAL IN
Style DesignatorFLAT
Bolt Circle Diameter8.875 INCHES NOMINAL IN
Material Thickness0.047 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Center Hole Diameter1.875 INCHES NOMINAL IN
MaterialRUBBER
Hole Diameter0.438 INCHES NOMINAL IN
Bolt Hole Quantity15
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-215-42691460-4 INTERCHANGEABLE
Gasket
Solventum Purification Inc. Div Filtration and Separation Division
5985-00-373-33681460-4 INTERCHANGEABLE
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5136-00-865-22321137300 INTERCHANGEABLE
Tap,thread Cutting
Osg Usa Inc
5955-00-918-8373 INTERCHANGEABLE
Crystal Unit,quartz
5330-01-175-9232DA10329 INTERCHANGEABLE
Gasket
Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa
5365-01-266-279714604 INTERCHANGEABLE
Plug,machine Thread
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3120-01-272-8373146-04 INTERCHANGEABLE
Bushing,sleeve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6505-01-578-6170NDC00641-6078-25 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
690002 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
1460 ITEM 4 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
1404 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
1460-4 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
69002 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
Related Parts
5330-00-215-4269INTERCHANGEABLE
GASKET
1460-4
5985-00-373-3368INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
1460-4
5136-00-865-2232INTERCHANGEABLE
TAP,THREAD CUTTING
1137300
5955-00-918-8373INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5330-01-175-9232INTERCHANGEABLE
GASKET
DA10329
5365-01-266-2797INTERCHANGEABLE
PLUG,MACHINE THREAD
14604
3120-01-272-8373INTERCHANGEABLE
BUSHING,SLEEVE
146-04
6505-01-578-6170INTERCHANGEABLE
ONDANSETRON HYDROCHLORIDE INJECT
NDC00641-6078-25

Frequently Asked Questions

What is NSN 4820-01-123-8407?

NSN 4820-01-123-8407 is a Diaphragm,valve,flat, manufactured by Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-123-8407?

NSN 4820-01-123-8407 has 5 cross-referenced part numbers: 690002 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 1460 ITEM 4 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 1404 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 1460-4 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 69002 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc).

What NSN replaces 4820-01-123-8407?

There are 8 known substitutes for 4820-01-123-8407: 5330-00-215-4269, 5985-00-373-3368, 5136-00-865-2232 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 690002?

Key specifications for 690002: Outside Diameter: 10.000 INCHES NOMINAL IN; Style Designator: FLAT; Bolt Circle Diameter: 8.875 INCHES NOMINAL IN; Material Thickness: 0.047 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN. 8 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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