PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2458Diaphragm,valve,flat

Lawler Manufacturing Company, Inc. · NSN 4820-01-313-2794 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-313-2794 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-313-2794. Primary manufacturer part number: 2458.
Features
  • Diaphragm,valve,flat — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-313-2794, 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.. 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.

Catalog Facts
Item NameDiaphragm,valve,flat
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLawler Manufacturing Company, Inc. (CAGE 75545)
Technical Specifications
ParameterValue
NSN4820-01-313-2794
Primary Part Number2458
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5210-00-221-2087 INTERCHANGEABLE
Gage,telescoping
5950-00-230-863010669408 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5330-00-338-14892-458E540-80 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corp Div O-Ring Division
5330-00-395-12382458 INTERCHANGEABLE
Gasket
Champion Aerospace Llc
6145-00-889-80707104-TC INTERCHANGEABLE
Cable,telephone
Almo Wire & Cable, Inc.
5815-01-083-8638 INTERCHANGEABLE
Driver,board
2530-01-090-66793951-2 INTERCHANGEABLE
Tie Rod End,steering
Pdi Ground Support Systems, Inc.
5340-01-273-46952458 INTERCHANGEABLE
Bumper
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6680-01-343-40332458 INTERCHANGEABLE
Indicator,sight,liquid
Clark-Reliance Llc Dba Jacoby-Tarbox
4720-01-435-0967245-8 INTERCHANGEABLE
Hose,nonmetallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
Cross-Reference Index
Part NumberManufacturer
749-D-7 Lawler Manufacturing Company, Inc. (USA)
2458 PRIMARY Lawler Manufacturing Company, Inc. (USA)
Related Parts
5210-00-221-2087INTERCHANGEABLE
GAGE,TELESCOPING
5950-00-230-8630INTERCHANGEABLE
TRANSFORMER,POWER
10669408
5330-00-338-1489INTERCHANGEABLE
PACKING,PREFORMED
2-458E540-80
5330-00-395-1238INTERCHANGEABLE
GASKET
2458
6145-00-889-8070INTERCHANGEABLE
CABLE,TELEPHONE
7104-TC
5815-01-083-8638INTERCHANGEABLE
DRIVER,BOARD
2530-01-090-6679INTERCHANGEABLE
TIE ROD END,STEERING
3951-2
5340-01-273-4695INTERCHANGEABLE
BUMPER
2458
6680-01-343-4033INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2458
4720-01-435-0967INTERCHANGEABLE
HOSE,NONMETALLIC
245-8
6680-01-458-1102INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2458-020
5640-01-517-4415INTERCHANGEABLE
INSULATION SLEEVING,THERMAL

Frequently Asked Questions

What is NSN 4820-01-313-2794?

NSN 4820-01-313-2794 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 4820-01-313-2794?

NSN 4820-01-313-2794 has 2 cross-referenced part numbers: 749-D-7 (Lawler Manufacturing Company, Inc.), 2458 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-01-313-2794?

There are 12 known substitutes for 4820-01-313-2794: 5210-00-221-2087, 5950-00-230-8630, 5330-00-338-1489 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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