PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1114-DPC19Seat,valve

Lawler Manufacturing Company, Inc. · NSN 4820-01-445-7566 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-445-7566 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-445-7566. Primary manufacturer part number: 1114-DPC19.
Features
  • Seat,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-445-7566, 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 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-445-7566
Primary Part Number1114-DPC19
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-297-7138 INTERCHANGEABLE
Seal,plain Encased
4330-00-431-6574K25-002 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
9320-00-618-07223281 INTERCHANGEABLE
Rubber Sheet,solid
The Boeing Company Div Legacy Wichita
2910-00-887-154611437 INTERCHANGEABLE
Wire,vent
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6610-01-197-83023281 INTERCHANGEABLE
Indicator,airspeed and Direction
Lilbern Design of Virginia Llc
5950-01-247-17343281 INTERCHANGEABLE
Transformer,current
Corona Magnetics, Inc. Dba C M I
5310-01-603-16743281 INTERCHANGEABLE
Nut,self-Locking,hexagon
80/20, Llc
5325-01-614-73333281 INTERCHANGEABLE
Fastener Tape,hook and Pile
Bmi Defense Systems, Inc
Cross-Reference Index
Part NumberManufacturer
1114-DPC19 Lawler Manufacturing Company, Inc. (USA)
3281 Lawler Manufacturing Company, Inc. (USA)
1115-DPC19 Lawler Manufacturing Company, Inc. (USA)
Related Parts
5330-00-297-7138INTERCHANGEABLE
SEAL,PLAIN ENCASED
4330-00-431-6574INTERCHANGEABLE
FILTER ELEMENT,FLUID
K25-002
9320-00-618-0722INTERCHANGEABLE
RUBBER SHEET,SOLID
3281
2910-00-887-1546INTERCHANGEABLE
WIRE,VENT
11437
6610-01-197-8302INTERCHANGEABLE
INDICATOR,AIRSPEED AND DIRECTION
3281
5950-01-247-1734INTERCHANGEABLE
TRANSFORMER,CURRENT
3281
5310-01-603-1674INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3281
5325-01-614-7333INTERCHANGEABLE
FASTENER TAPE,HOOK AND PILE
3281

Frequently Asked Questions

What is NSN 4820-01-445-7566?

NSN 4820-01-445-7566 is a Seat,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-445-7566?

NSN 4820-01-445-7566 has 3 cross-referenced part numbers: 1114-DPC19 (Lawler Manufacturing Company, Inc.), 3281 (Lawler Manufacturing Company, Inc.), 1115-DPC19 (Lawler Manufacturing Company, Inc.).

What NSN replaces 4820-01-445-7566?

There are 8 known substitutes for 4820-01-445-7566: 5330-00-297-7138, 4330-00-431-6574, 9320-00-618-0722 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1114-DPC19?

Key specifications for 1114-DPC19: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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