PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A74078Gasket,seat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-441-7720 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-441-7720 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-441-7720. Primary manufacturer part number: A74078.
Features
  • Gasket,seat — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket,seat, cataloged under National Stock Number 4820-01-441-7720, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-441-7720
Primary Part NumberA74078
Item NameGasket,seat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5815-00-126-782674078 INTERCHANGEABLE
Link
Telemechanics Inc
5133-00-228-136314850 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
4820-01-441-7723Y109101001 INTERCHANGEABLE
Valve,flow Control
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
74078 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
A74078 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S520202701 ITEM 503 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S520202701 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5815-00-126-7826INTERCHANGEABLE
LINK
74078
5133-00-228-1363INTERCHANGEABLE
DRILL,TWIST
14850
4820-01-441-7723INTERCHANGEABLE
VALVE,FLOW CONTROL
Y109101001

Frequently Asked Questions

What is NSN 4820-01-441-7720?

NSN 4820-01-441-7720 is a Gasket,seat, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-441-7720?

NSN 4820-01-441-7720 has 4 cross-referenced part numbers: 74078 (Leslie Controls, Inc. Dba Leslie Controls Inc), A74078 (Leslie Controls, Inc. Dba Leslie Controls Inc), S520202701 ITEM 503 (Leslie Controls, Inc. Dba Leslie Controls Inc), S520202701 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-441-7720?

There are 3 known substitutes for 4820-01-441-7720: 5815-00-126-7826, 5133-00-228-1363, 4820-01-441-7723. Verify interchangeability with system specifications before substitution.

What are the specifications of A74078?

Key specifications for A74078: Part Name Assigned by Controlling Agency: SEAT GASKET; End Item Identification: SUPPLY CLASS AOE. 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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