NSN 4820-01-131-3281 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-131-3281. Manufacturer of record part number: 1949-K500RK44.
Nonsupply Items and Quantities: 59556 453172 STEEL SPRING 1; 59556 453163 SYNTHETIC RUBBER DIAPHRAGM 1;59556 SP-17695 SYNTHETIC RUBBER O-RING PACKING 1;59556 457021 STEEL SPRING 1
2 manufacturer part numbers on file
Manufacturer of record: Wheeler Fleet Solutions, Co.
Identification
NSN: 4820-01-131-3281
NIIN: 011313281
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1949-K500RK44
Manufacturer: Wheeler Fleet Solutions, Co.
General Description
The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-131-3281, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wheeler Fleet Solutions, Co.. 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.
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 4820-01-131-3281?
NSN 4820-01-131-3281 is a Parts Kit,pressure Regulating VA, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-131-3281?
NSN 4820-01-131-3281 has 2 manufacturer part numbers on file: 1949-K500RK44 (Wheeler Fleet Solutions, Co.), K-500-RK-44 (Kovatch Corp.).
What are the specifications of 1949-K500RK44?
Key specifications for 1949-K500RK44: Component Quantity: 4; Nonsupply Items and Quantities: 59556 453172 STEEL SPRING 1; 59556 453163 SYNTHETIC RUBBER DIAPHRAGM 1;59556 SP-17695 SYNTHETIC RUBBER O-RING PACKING 1;59556 457021 STEEL SPRING 1. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-131-3281 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.