Valve Assembly 4820-01-649-7305 NSN 4820-01-649-7305 · NIIN 016497305 · Part number 81777-7
Waterous Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79218
NSN 4820-01-649-7305 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-649-7305. Manufacturer of record part number: 81777-7 .
Also searched as
4820-01-649-7305 ·
4820016497305 ·
NIIN 016497305 ·
01-649-7305 ·
FSC 4820 Valves, Nonpowered · CAGE 79218 · 81777-7 · 4119399
Nearby stock numbers
← 4820-01-649-7297 Parts Kit, Check Valve
·
4820-01-649-7844 Valve, Safety Relief →
4820-01-649-7305 — Valves, Nonpowered
Features
Valve Assembly — FSC 4820 1 manufacturer part number on file Manufacturer of record: Waterous Company
Identification
NSN: 4820-01-649-7305
NIIN: 016497305
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 81777-7
Manufacturer: Waterous Company
General Description
The Valve Assembly, cataloged under National Stock Number 4820-01-649-7305, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Waterous Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 Valve Assembly FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Waterous Company (CAGE 79218)
Technical Specifications
Parameter Value NSN 4820-01-649-7305 Primary Part Number 81777-7 Item Name Valve Assembly FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Waterous Company Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
81777-7 PRIMARY Waterous Company (USA)
Reference documents
Reference Meaning
4119399
7/2 Vendor item drawing reference Oshkosh Defense Llc
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 4820-01-649-7305?
NSN 4820-01-649-7305 is a Valve Assembly, manufactured by Waterous Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-649-7305?
NSN 4820-01-649-7305 has 1 manufacturer part number on file: 81777-7 (Waterous Company).
Is NSN 4820-01-649-7305 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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