Seat, Valve 4820-00-757-5083 NSN 4820-00-757-5083 · NIIN 007575083 · Part number VAL866
Ashcroft Inc Dba Heise · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 38056
NSN 4820-00-757-5083 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-757-5083. Manufacturer of record part number: VAL866 .
Also searched as
4820-00-757-5083 ·
4820007575083 ·
NIIN 007575083 ·
00-757-5083 ·
FSC 4820 Valves, Nonpowered · CAGE 38056 · VAL866
Nearby stock numbers
← 4820-00-757-5082 Disk, Valve
·
4820-00-757-5084 →
4820-00-757-5083 — Valves, Nonpowered
Features
Seat,valve — FSC 4820 1 manufacturer part number on file Manufacturer of record: Ashcroft Inc Dba Heise
Identification
NSN: 4820-00-757-5083
NIIN: 007575083
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VAL866
Manufacturer: Ashcroft Inc Dba Heise
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-757-5083, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 Ashcroft Inc Dba Heise (CAGE 38056)
Technical Specifications
Parameter Value NSN 4820-00-757-5083 Primary Part Number VAL866 Item Name Seat,valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Ashcroft Inc Dba Heise Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part Number Manufacturer
VAL866 PRIMARY Ashcroft Inc Dba Heise (USA)
Reference documents
Reference Meaning
VAL866
5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse
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 4820-00-757-5083?
NSN 4820-00-757-5083 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-757-5083?
NSN 4820-00-757-5083 has 1 manufacturer part number on file: VAL866 (Ashcroft Inc Dba Heise).
Is NSN 4820-00-757-5083 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.
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