NSN 4820-01-457-4581 · NIIN 014574581 · Part number 201-A-1IN-PC7
Richards Industries Value Group Marwin Ball Value Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8T690
Government record, cited
NSN 4820-01-457-4581 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-457-4581. Manufacturer of record part number: 201-A-1IN-PC7.
Also searched as4820-01-457-4581 ·
4820014574581 ·
NIIN 014574581 ·
01-457-4581 ·
FSC 4820 Valves, Nonpowered · CAGE 8T690 · 201-A-1IN-PC7
Nearby stock numbers← 4820-01-457-4574 Parts Kit, Ball Valve
·
4820-01-457-4583 Anti Static Device →
4820-01-457-4581 — Valves, Nonpowered
Features
Flange,gland,valve — FSC 4820
Flange Shape: ROUND
Valve Size: 1.000 INCHES IN
Bolt Hole Quantity: 4
Nominal Center Hole Diameter: 0.500 INCHES IN
Valve Type: BALL
Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Identification
NSN: 4820-01-457-4581
NIIN: 014574581
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 201-A-1IN-PC7
Manufacturer: Richards Industries Value Group Marwin Ball Value Div
General Description
The Flange,gland,valve, cataloged under National Stock Number 4820-01-457-4581, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Value Group Marwin Ball Value Div. Government technical data includes 6 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.
Technical Specifications
Parameter
Value
NSN
4820-01-457-4581
Primary Part Number
201-A-1IN-PC7
Item Name
Flange,gland,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Richards Industries Value Group Marwin Ball Value Div
Richards Industries Value Group Marwin Ball Value Div (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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-457-4581?
NSN 4820-01-457-4581 is a Flange,gland,valve, manufactured by Richards Industries Value Group Marwin Ball Value Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-457-4581?
NSN 4820-01-457-4581 has 1 manufacturer part number on file: 201-A-1IN-PC7 (Richards Industries Value Group Marwin Ball Value Div).
What are the specifications of 201-A-1IN-PC7?
Key specifications for 201-A-1IN-PC7: Flange Shape: ROUND; Valve Size: 1.000 INCHES IN; Bolt Hole Quantity: 4; Nominal Center Hole Diameter: 0.500 INCHES IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-457-4581 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.