NSN 4820-01-286-4628 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-4628. Manufacturer of record part number: 7543-700-046-S.
The Seat,valve, cataloged under National Stock Number 4820-01-286-4628, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-286-4628
Primary Part Number
7543-700-046-S
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Velan Valve Corp.
Status
ACTIVE
Material
STEEL SEAT
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.
4820-01-337-1152A13-7534-700-002-SPOSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-414-41329999-001 ITEM A10-7532-729-209POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-414-8061F10-0074C-02TS-9999-001POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Velan Valve Corp.
4820-01-414-80669999-001 ASSEMBLY 7492-600-BWPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Velan Valve Corp.
4820-01-433-2630A12-7533-702-488POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-449-27437543-700-002SPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-449-3631A12-7533-702-002-APOSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
4820-01-466-83437542-701-002-SPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Velan Valve Corp.
5310-01-468-87807632-010-052POSSIBLE MATCH
NUT,PLAIN,ROUND
Possible match (shared part number)Velan Valve Corp.
4820-01-469-30547552-017-063POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Velan Valve Corp.
NSN 4820-01-286-4628 is a Seat,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-286-4628?
NSN 4820-01-286-4628 has 1 manufacturer part number on file: 7543-700-046-S (Velan Valve Corp.).
What NSN replaces 4820-01-286-4628?
11 possible matches (shared part number, not a government interchangeability claim): 4820-01-337-1152, 4820-01-414-4132, 4820-01-414-8061. Verify interchangeability with system specifications before substitution.
What are the specifications of 7543-700-046-S?
Key specifications for 7543-700-046-S: Material: STEEL SEAT. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-286-4628 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.