NSN 4820-01-443-8683 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-443-8683. Manufacturer of record part number: R955048.
Supply Items and Quantities: PACKING,PREFORMED 1, CHECK VALVE 1, SPRING 1, WASHER 1, SNAP RING 1
2 manufacturer part numbers on file
Manufacturer of record: Meritor Heavy Vehicle Systems, Llc
Identification
NSN: 4820-01-443-8683
NIIN: 014438683
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R955048
Manufacturer: Meritor Heavy Vehicle Systems, Llc
General Description
The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-443-8683, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 2 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.
Technical Specifications
Parameter
Value
NSN
4820-01-443-8683
Primary Part Number
R955048
Item Name
Parts Kit,check Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Meritor Heavy Vehicle Systems, Llc
Status
ACTIVE
Component Quantity
5
Supply Items and Quantities
PACKING,PREFORMED 1, CHECK VALVE 1, SPRING 1, WASHER 1, SNAP RING 1
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 4820-01-443-8683?
NSN 4820-01-443-8683 is a Parts Kit,check Valve, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-443-8683?
NSN 4820-01-443-8683 has 2 manufacturer part numbers on file: R955048 (Meritor Heavy Vehicle Systems, Llc), TDA/R955048 (Daimler Truck North America Llc).
What are the specifications of R955048?
Key specifications for R955048: Component Quantity: 5; Supply Items and Quantities: PACKING,PREFORMED 1, CHECK VALVE 1, SPRING 1, WASHER 1, SNAP RING 1; End Item Identification: 3805-01-431-1165; TRUCK, LINE HAUL TRACTOR (M915 SERIES). 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-443-8683 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.