NSN 4820-01-236-7193 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-236-7193. Manufacturer of record part number: 6503-86 PIECE 15.
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 4820-01-236-7193
NIIN: 012367193
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6503-86 PIECE 15
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-236-7193, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-236-7193
Primary Part Number
6503-86 PIECE 15
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
6503-86
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
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 4820-01-236-7193?
NSN 4820-01-236-7193 is a Seat,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-236-7193?
NSN 4820-01-236-7193 has 1 manufacturer part number on file: 6503-86 PIECE 15 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What are the specifications of 6503-86 PIECE 15?
Key specifications for 6503-86 PIECE 15: Material: NICKEL ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-236-7193 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.