NSN 4820-00-939-0502 · NIIN 009390502 · Part number 856151
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59364
Government record, cited
NSN 4820-00-939-0502 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-939-0502. Manufacturer of record part number: 856151.
Also searched as4820-00-939-0502 ·
4820009390502 ·
NIIN 009390502 ·
00-939-0502 ·
FSC 4820 Valves, Nonpowered · CAGE 59364 · 856151
Manufacturer of record: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Identification
NSN: 4820-00-939-0502
NIIN: 009390502
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 856151
Manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-939-0502, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Seat,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364)
Technical Specifications
Parameter
Value
NSN
4820-00-939-0502
Primary Part Number
856151
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
Reference documents
Reference
Meaning
856151
5/9Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-00-939-0502?
NSN 4820-00-939-0502 is a Seat,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-939-0502?
NSN 4820-00-939-0502 has 1 manufacturer part number on file: 856151 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Is NSN 4820-00-939-0502 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.