PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40284Disk,valve

Moog Inc. Dba Ampac-Isp Corp · NSN 4820-01-483-2285 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-483-2285 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-483-2285. Primary manufacturer part number: 40284.
Features
  • Disk,valve — FSC 4820
  • Media for Which Designed: HYDRAULIC FLUID
  • Material: PLASTIC POLYURETHANE
  • 4 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyurethane construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-483-2285, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-483-2285
Primary Part Number40284
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Media for Which DesignedHYDRAULIC FLUID
MaterialPLASTIC POLYURETHANE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-776-387140284 INTERCHANGEABLE
Gasket
Cummins Inc.
5950-01-167-6142H940008-1B INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
3020-01-270-930740284 INTERCHANGEABLE
Gear,bevel
Lake Shore Systems, Inc.
5340-01-482-9846LA589-41350 ITEM 21 INTERCHANGEABLE
Rod End,threaded
Moog Inc. Dba Ampac-Isp Corp
4320-01-483-228341355 INTERCHANGEABLE
Cylinder Sleeve
Moog Inc. Dba Ampac-Isp Corp
4810-01-483-2294LA589DC INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,lin
Moog Inc. Dba Ampac-Isp Corp
3040-01-483-232841352 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Moog Inc. Dba Ampac-Isp Corp
3040-01-483-238740281-2 INTERCHANGEABLE
Damper,inertia
Moog Inc. Dba Ampac-Isp Corp
5365-01-484-442441604 INTERCHANGEABLE
Spacer,straight
Moog Inc. Dba Ampac-Isp Corp
5365-01-614-908941603 INTERCHANGEABLE
Spacer,sleeve
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
LA589-41350 Moog Inc. Dba Ampac-Isp Corp (USA)
81000-40265 ITEM 52 Moog Inc. Dba Ampac-Isp Corp (USA)
40284 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
LA589-41350 ITEM 27 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5330-00-776-3871INTERCHANGEABLE
GASKET
40284
5950-01-167-6142INTERCHANGEABLE
REACTOR
H940008-1B
3020-01-270-9307INTERCHANGEABLE
GEAR,BEVEL
40284
5340-01-482-9846INTERCHANGEABLE
ROD END,THREADED
LA589-41350 ITEM 21
4320-01-483-2283INTERCHANGEABLE
CYLINDER SLEEVE
41355
4810-01-483-2294INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,LIN
LA589DC
3040-01-483-2328INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
41352
3040-01-483-2387INTERCHANGEABLE
DAMPER,INERTIA
40281-2
5365-01-484-4424INTERCHANGEABLE
SPACER,STRAIGHT
41604
5365-01-614-9089INTERCHANGEABLE
SPACER,SLEEVE
41603

Frequently Asked Questions

What is NSN 4820-01-483-2285?

NSN 4820-01-483-2285 is a Disk,valve, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-483-2285?

NSN 4820-01-483-2285 has 4 cross-referenced part numbers: LA589-41350 (Moog Inc. Dba Ampac-Isp Corp), 81000-40265 ITEM 52 (Moog Inc. Dba Ampac-Isp Corp), 40284 (Moog Inc. Dba Ampac-Isp Corp), LA589-41350 ITEM 27 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 4820-01-483-2285?

There are 10 known substitutes for 4820-01-483-2285: 5330-00-776-3871, 5950-01-167-6142, 3020-01-270-9307 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40284?

Key specifications for 40284: Media for Which Designed: HYDRAULIC FLUID; Material: PLASTIC POLYURETHANE; Special Features: PER VENDOR, ITEM IS POPPET; NHA IS LINEAR HYDRAULIC ACTUATOR MODEL LA589DC; End Item Identification: PANEL CONT TE; LOS ANGELES CLASS SSN (688). 4 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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