PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2671Diaphragm,valve,flat

Lawler Manufacturing Company, Inc. · NSN 4820-00-836-7290 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-836-7290 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-836-7290. Primary manufacturer part number: 2671.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material Thickness: 0.130 INCHES NOMINAL IN
  • Outside Diameter: 9.955 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
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 4820-00-836-7290, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 3 verified specifications, 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
NSN4820-00-836-7290
Primary Part Number2671
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Material Thickness0.130 INCHES NOMINAL IN
Outside Diameter9.955 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5365-00-135-33612671 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5310-00-270-21612671 INTERCHANGEABLE
Washer,flat
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5930-00-504-60688531267 INTERCHANGEABLE
Switch,toggle
Us Army Aviation and Missile Command
5905-00-581-4900 INTERCHANGEABLE
Resistor,variable,wire Wound,non
2040-00-633-6023 INTERCHANGEABLE
Rudder,boat
5985-00-686-17032671 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5820-00-752-0894SCA46500A INTERCHANGEABLE
Radio Set Control Group
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5975-01-218-31792671 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5935-01-258-1822ADT-2671-BM-SMF-02 INTERCHANGEABLE
Adapter,connector
Cinch Connectivity Solutions Inc
2940-01-310-68192671 INTERCHANGEABLE
Filter Element,intake Air Cleane
Napa Automotive Parts Co
Cross-Reference Index
Part NumberManufacturer
71997PC16 Lawler Manufacturing Company, Inc. (USA)
2671 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
5365-00-135-3361INTERCHANGEABLE
SPACER,SLEEVE
2671
5310-00-270-2161INTERCHANGEABLE
WASHER,FLAT
2671
5930-00-504-6068INTERCHANGEABLE
SWITCH,TOGGLE
8531267
5905-00-581-4900INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
2040-00-633-6023INTERCHANGEABLE
RUDDER,BOAT
5985-00-686-1703INTERCHANGEABLE
COUPLER,DIRECTIONAL
2671
5820-00-752-0894INTERCHANGEABLE
RADIO SET CONTROL GROUP
SCA46500A
5975-01-218-3179INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2671
5935-01-258-1822INTERCHANGEABLE
ADAPTER,CONNECTOR
ADT-2671-BM-SMF-02
2940-01-310-6819INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
2671
2940-01-315-2522INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42671
5360-01-591-4839INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2671

Frequently Asked Questions

What is NSN 4820-00-836-7290?

NSN 4820-00-836-7290 is a Diaphragm,valve,flat, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-836-7290?

NSN 4820-00-836-7290 has 2 cross-referenced part numbers: 71997PC16 (Lawler Manufacturing Company, Inc.), 2671 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-00-836-7290?

There are 12 known substitutes for 4820-00-836-7290: 5365-00-135-3361, 5310-00-270-2161, 5930-00-504-6068 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2671?

Key specifications for 2671: Material Thickness: 0.130 INCHES NOMINAL IN; Outside Diameter: 9.955 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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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