NSN 4820-01-633-9778 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-633-9778. Manufacturer of record part number: GK41.
Also searched as4820-01-633-9778 ·
4820016339778 ·
NIIN 016339778 ·
01-633-9778 ·
FSC 4820 Valves, Nonpowered · CAGE 1TG13 · GK41
Nearby stock numbers← 4820-01-633-9760 Repair Parts Kit
·
4820-01-633-9807 Parts Kit, Ball Valve →
4820-01-633-9778 — Valves, Nonpowered
Features
Repair Kit,valve — FSC 4820
Component Quantity: 3
Supply Items and Quantities: PART NUMBER 3602505 1 EA;3650105 1 EA;3620108 1 EA
1 manufacturer part number on file
Manufacturer of record: Chalmers & Kubeck, Inc. Dba Monarch Valve Corp
Identification
NSN: 4820-01-633-9778
NIIN: 016339778
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: GK41
Manufacturer: Chalmers & Kubeck, Inc. Dba Monarch Valve Corp
General Description
The Repair Kit,valve, cataloged under National Stock Number 4820-01-633-9778, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chalmers & Kubeck, Inc. Dba Monarch Valve Corp. Government technical data includes 2 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
4820-01-633-9778
Primary Part Number
GK41
Item Name
Repair Kit,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Chalmers & Kubeck, Inc. Dba Monarch Valve Corp
Status
ACTIVE
Component Quantity
3
Supply Items and Quantities
PART NUMBER 3602505 1 EA;3650105 1 EA;3620108 1 EA
Chalmers & Kubeck, Inc. Dba Monarch Valve Corp (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 4820-01-633-9778?
NSN 4820-01-633-9778 is a Repair Kit,valve, manufactured by Chalmers & Kubeck, Inc. Dba Monarch Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-633-9778?
NSN 4820-01-633-9778 has 1 manufacturer part number on file: GK41 (Chalmers & Kubeck, Inc. Dba Monarch Valve Corp).
What are the specifications of GK41?
Key specifications for GK41: Component Quantity: 3; Supply Items and Quantities: PART NUMBER 3602505 1 EA;3650105 1 EA;3620108 1 EA. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-633-9778 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.