NSN 4820-01-572-8010 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-572-8010. Manufacturer of record part number: 801-6405351-3.
Valve Model Number for Which Designed: 11-NS-0405Z
Valve Size for Which Designed: 1.000 INCHES IN
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-572-8010
NIIN: 015728010
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 801-6405351-3
Manufacturer: Naval Sea Systems Command
General Description
The Tailpiece,valve, cataloged under National Stock Number 4820-01-572-8010, 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 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
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 4820-01-572-8010?
NSN 4820-01-572-8010 is a Tailpiece,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-572-8010?
NSN 4820-01-572-8010 has 2 manufacturer part numbers on file: 801-6405351-3 (Naval Sea Systems Command), DF330718-3 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What are the specifications of 801-6405351-3?
Key specifications for 801-6405351-3: Design Type: STRAIGHT; Valve Model Number for Which Designed: 11-NS-0405Z; Valve Size for Which Designed: 1.000 INCHES IN; Special Features: CXCY - FLANGE JACKING; FIRST END UNTHREADED, SECOND END THREADED INTERNAL PIPE, 1/375-12UNF-2B; 6.750 X 6.750 X 1.000. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-572-8010 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.