PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A864Valve,check

Ausco Inc · NSN 4820-01-582-3841 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-582-3841 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-582-3841. Primary manufacturer part number: A864.
Features
  • Valve,check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Ausco Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-582-3841, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-582-3841
Primary Part NumberA864
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAusco Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-280-22681232616-1 INTERCHANGEABLE
Connector,receptacle,electrical
Honeywell Intl Inc Defense Avionics Systems
5330-00-599-50096-7-2 INTERCHANGEABLE
Seal,plain Encased
Trailmobile Inc Sub of the Pullman Co
5330-00-708-6570A864 INTERCHANGEABLE
Gasket Set
Eaton Corp Transmission Div
1680-01-524-155242675C102 INTERCHANGEABLE
Valve,relief,aircra
Tactair Fluid Controls Inc
Cross-Reference Index
Part NumberManufacturer
A864 PRIMARY Ausco Inc (USA)
42675C102 Ausco Inc (USA)
42675C2104 Ausco Inc (USA)
Related Parts
5935-00-280-2268INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1232616-1
5330-00-599-5009INTERCHANGEABLE
SEAL,PLAIN ENCASED
6-7-2
5330-00-708-6570INTERCHANGEABLE
GASKET SET
A864
1680-01-524-1552INTERCHANGEABLE
VALVE,RELIEF,AIRCRA
42675C102

Frequently Asked Questions

What is NSN 4820-01-582-3841?

NSN 4820-01-582-3841 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-582-3841?

NSN 4820-01-582-3841 has 3 cross-referenced part numbers: A864 (Ausco Inc), 42675C102 (Ausco Inc), 42675C2104 (Ausco Inc).

What NSN replaces 4820-01-582-3841?

There are 4 known substitutes for 4820-01-582-3841: 5935-00-280-2268, 5330-00-599-5009, 5330-00-708-6570 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A864?

Key specifications for A864: End Item Identification: HYDRAULIC MODULE ASSY; Part Name Assigned by Controlling Agency: VALVE, PRESSURE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com