NSN 4820-00-402-5536 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-402-5536. Manufacturer of record part number: AA4493CV8.
Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Material: STEEL COMP 303 BODY
Identification
NSN: 4820-00-402-5536
NIIN: 004025536
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AA4493CV8
Manufacturer: Pall Aeropower Corporation
General Description
The Valve,check, cataloged under National Stock Number 4820-00-402-5536, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-402-5536
Primary Part Number
AA4493CV8
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Pall Aeropower Corporation
Status
ACTIVE
Flow Control Device
POPPET
Mounting Position
HORIZONTAL OR VERTICAL
Style Designator
STRAIGHT THRU
Material Document and Classification
66 FED STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed
HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-402-5536?
NSN 4820-00-402-5536 is a Valve,check, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-402-5536?
NSN 4820-00-402-5536 has 2 manufacturer part numbers on file: AA4493CV8 (Pall Aeropower Corporation), 462-8S (Eaton Corporation Dba Eaton Inoac Div Eaton).
What are the specifications of AA4493CV8?
Key specifications for AA4493CV8: Flow Control Device: POPPET; Mounting Position: HORIZONTAL OR VERTICAL; Style Designator: STRAIGHT THRU; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE BODY. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-402-5536 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 4820-00-402-5536?
NSN 4820-00-402-5536 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.