NSN 4820-01-154-2142 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-154-2142. Manufacturer of record part number: 8533-505-148 83309-30 ITEM NO 6.
Also searched as4820-01-154-2142 ·
4820011542142 ·
NIIN 011542142 ·
01-154-2142 ·
FSC 4820 Valves, Nonpowered · CAGE 57574 · 8533-505-148 83309-30 ITEM NO 6 · 83309-30 · 83309-30 ITEM NO 6 · 8533-5-148
Primary part number: 8533-505-148 83309-30 ITEM NO 6
Manufacturer: Velan Valve Corp.
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-154-2142, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-154-2142
Primary Part Number
8533-505-148 83309-30 ITEM NO 6
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Material
STEEL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-01-154-809883309-30 ITEM 10-10INPOSSIBLE MATCH
BUSHING,YOKE
Possible match (shared part number)Velan Valve Corp.
4820-01-205-944783309-37 3IN ITEM 5POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-220-134083309-30 ITEM 6 3INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-238-000583309-30 PIECE5 SEAT 5IN REVFPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-446-221583309-30 PC5 SEAT 8IN.REVFPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
NSN 4820-01-154-2142 is a Disk,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-154-2142?
NSN 4820-01-154-2142 has 2 manufacturer part numbers on file: 83309-30 ITEM NO 6 (Velan Valve Corp.), 8533-505-148 83309-30 ITEM NO 6 (Velan Valve Corp.).
What NSN replaces 4820-01-154-2142?
5 possible matches (shared part number, not a government interchangeability claim): 5365-01-154-8098, 4820-01-205-9447, 4820-01-220-1340. Verify interchangeability with system specifications before substitution.
What are the specifications of 8533-505-148 83309-30 ITEM NO 6?
Key specifications for 8533-505-148 83309-30 ITEM NO 6: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-154-2142 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.