NSN 4820-01-593-9618 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-593-9618. Manufacturer of record part number: 801-6640811 ASSY 153-2-10.
The Valve,flow Control, cataloged under National Stock Number 4820-01-593-9618, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
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 4820-01-593-9618?
NSN 4820-01-593-9618 is a Valve,flow Control, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-593-9618?
NSN 4820-01-593-9618 has 1 manufacturer part number on file: 801-6640811 ASSY 153-2-10 (Naval Sea Systems Command).
What are the specifications of 801-6640811 ASSY 153-2-10?
Key specifications for 801-6640811 ASSY 153-2-10: Valve Size: 3.000 INCHES IN; Body Material: COPPER ALLOY; Special Features: FLOW RATE 45 GPM NO OF PLATES 10 TEMP RATING 122 DEGREES F END CONNECTION FLAGE; Part Name Assigned by Controlling Agency: CASCADE ORIFICAL RESTRICTIVE DEVICE C.O.R.D. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-593-9618 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.
What is the DEMIL code for NSN 4820-01-593-9618?
NSN 4820-01-593-9618 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.