PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111-326Valve,check

Graco Inc. · NSN 4820-01-378-5542 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-378-5542 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-378-5542. Primary manufacturer part number: 111-326.
Features
  • Valve,check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Graco Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-378-5542, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Graco Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-378-5542
Primary Part Number111-326
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGraco Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5220-00-142-381811-1326 INTERCHANGEABLE
Gage,height,electro
Unison Industries Llc
5340-00-952-95401113-26 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
Cross-Reference Index
Part NumberManufacturer
111-326 PRIMARY Graco Inc. (USA)
Related Parts
5220-00-142-3818INTERCHANGEABLE
GAGE,HEIGHT,ELECTRO
11-1326
5340-00-952-9540INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
1113-26

Frequently Asked Questions

What is NSN 4820-01-378-5542?

NSN 4820-01-378-5542 is a Valve,check, manufactured by Graco Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-378-5542?

NSN 4820-01-378-5542 has 1 cross-referenced part number: 111-326 (Graco Inc.).

What NSN replaces 4820-01-378-5542?

There are 2 known substitutes for 4820-01-378-5542: 5220-00-142-3818, 5340-00-952-9540. Verify interchangeability with system specifications before substitution.

What are the specifications of 111-326?

Key specifications for 111-326: End Item Identification: RADOMES,PRESSURE CUP;GRACO INC;MOD224-426,SERIES A. 1 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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