NSN 4820-01-536-6142 · NIIN 015366142 · Part number A3.4065-.75IN
Young & Cunningham America, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 08PB1
Government record, cited
NSN 4820-01-536-6142 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-536-6142. Manufacturer of record part number: A3.4065-.75IN.
Maximum Operating Temp and Media for Which Designed: 250.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF
Connection Type: FLANGE, ROUND W/HOLES
Valve Size: 0.750 INCHES IN
Bolt Hole Quantity: 4
Identification
NSN: 4820-01-536-6142
NIIN: 015366142
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A3.4065-.75IN
Manufacturer: Young & Cunningham America, Inc.
General Description
The Valve,gate, cataloged under National Stock Number 4820-01-536-6142, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Young & Cunningham America, Inc.. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-536-6142
Primary Part Number
A3.4065-.75IN
Item Name
Valve,gate
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Young & Cunningham America, Inc.
Status
ACTIVE
Furnished Items and Quantity
1 LOCKING DEVICE
Inlet Relationship with Outlet
IDENTICAL
Flange Face Design
PLAIN
Maximum Operating Temp and Media for Which Designed
250.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF
Connection Type
FLANGE, ROUND W/HOLES
Valve Size
0.750 INCHES IN
Bolt Hole Quantity
4
Flange Diameter
3.875 INCHES IN
Face to Face Distance
4.500 INCHES IN
Pressure Class
ERR-060
Material
STEEL BODY
Material
STEEL CORROSION RESISTING SEAT
Material
STEEL CORROSION RESISTING STEM
Material
STEEL CORROSION RESISTING DISK
Valve Operation Method
MANUAL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-536-6153A3.4065-1.250INPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Young & Cunningham America, Inc.
5330-01-537-0186A3.4065-.75IN-ITEM 14POSSIBLE MATCH
GASKET
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-537-0193A3.4065-.75IN-ITEM 16POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-537-0197A3.4065-.75IN-ITEM 6POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5330-01-537-0205A3.4065-1.250IN-ITEM 14POSSIBLE MATCH
GASKET
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-537-0211A3.4065-1.250IN-ITEM 16POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-537-0215A3.4065-1.250IN-ITEM 6POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-698-5841A3.4065-1.00IN ITEM 6POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-698-5842A3.4065-1.00IN ITEM 16POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5340-01-698-5844A3.4065-1.00IN ITEM 9POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
Possible match (shared part number)Young & Cunningham America, Inc.
NSN 4820-01-536-6142 is a Valve,gate, manufactured by Young & Cunningham America, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-536-6142?
NSN 4820-01-536-6142 has 1 manufacturer part number on file: A3.4065-.75IN (Young & Cunningham America, Inc.).
What NSN replaces 4820-01-536-6142?
11 possible matches (shared part number, not a government interchangeability claim): 4820-01-536-6153, 5330-01-537-0186, 5331-01-537-0193. Verify interchangeability with system specifications before substitution.
What are the specifications of A3.4065-.75IN?
Key specifications for A3.4065-.75IN: Furnished Items and Quantity: 1 LOCKING DEVICE; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Maximum Operating Temp and Media for Which Designed: 250.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF. 15 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-536-6142 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.
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.