PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1343Diaphragm,valve,flat

Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc · NSN 4820-00-613-5772 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-613-5772 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-613-5772. Primary manufacturer part number: 1343.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Hole Diameter: 0.280 INCHES NOMINAL IN
  • Center Hole Diameter: 0.280 INCHES NOMINAL IN
  • Material Thickness: 0.050 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Outside Diameter: 3.562 INCHES NOMINAL IN
  • Bolt Circle Diameter: 2.915 INCHES NOMINAL IN
  • Bolt Hole Quantity: 4
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-613-5772, 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 3 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
NSN4820-00-613-5772
Primary Part Number1343
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
Hole Diameter0.280 INCHES NOMINAL IN
Center Hole Diameter0.280 INCHES NOMINAL IN
Material Thickness0.050 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Outside Diameter3.562 INCHES NOMINAL IN
Bolt Circle Diameter2.915 INCHES NOMINAL IN
Bolt Hole Quantity4
Style DesignatorFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2910-00-030-0731 INTERCHANGEABLE
Repair Kit,carburet
5340-00-062-61151343 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5920-00-142-4840AGS60 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5945-00-189-4756 INTERCHANGEABLE
Relay,electromagnetic
5915-00-257-3024 INTERCHANGEABLE
Filter,band Pass
6760-00-424-798469-4002 INTERCHANGEABLE
Magazine,film
Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics
4820-00-468-09221343A INTERCHANGEABLE
Seat,valve
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
1650-00-513-4820 INTERCHANGEABLE
End Cap,main Landin
9320-00-551-5467 INTERCHANGEABLE
Rubber Strip
5310-00-703-70747037074 INTERCHANGEABLE
Washer,spring Tension
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
1343 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
694002 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
1330R ITEM 5 Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc (USA)
Related Parts
2910-00-030-0731INTERCHANGEABLE
REPAIR KIT,CARBURET
5340-00-062-6115INTERCHANGEABLE
BUMPER
1343
5920-00-142-4840INTERCHANGEABLE
FUSE,CARTRIDGE
AGS60
5945-00-189-4756INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5915-00-257-3024INTERCHANGEABLE
FILTER,BAND PASS
6760-00-424-7984INTERCHANGEABLE
MAGAZINE,FILM
69-4002
4820-00-468-0922INTERCHANGEABLE
SEAT,VALVE
1343A
1650-00-513-4820INTERCHANGEABLE
END CAP,MAIN LANDIN
9320-00-551-5467INTERCHANGEABLE
RUBBER STRIP
5310-00-703-7074INTERCHANGEABLE
WASHER,SPRING TENSION
7037074
4710-00-758-8719INTERCHANGEABLE
TUBE ASSEMBLY,METAL
694002
2940-00-940-7928INTERCHANGEABLE
FILTER ELEMENT,FLUID
51343

Frequently Asked Questions

What is NSN 4820-00-613-5772?

NSN 4820-00-613-5772 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 4820-00-613-5772?

NSN 4820-00-613-5772 has 3 cross-referenced part numbers: 1343 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 694002 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc), 1330R ITEM 5 (Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc).

What NSN replaces 4820-00-613-5772?

There are 12 known substitutes for 4820-00-613-5772: 2910-00-030-0731, 5340-00-062-6115, 5920-00-142-4840 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1343?

Key specifications for 1343: Hole Diameter: 0.280 INCHES NOMINAL IN; Center Hole Diameter: 0.280 INCHES NOMINAL IN; Material Thickness: 0.050 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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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