NSN 4820-01-179-9920 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-179-9920. Manufacturer of record part number: R431006985.
Nearby stock numbers← 4820-01-179-9919 Valve, Pilot Air
·
4820-01-179-9921 Subassembly, Inner Valve →
4820-01-179-9920 — Valves, Nonpowered
Features
Piston,shaft — FSC 4820
General Characteristics Item Description: ALUMINUM
1 manufacturer part number on file
Manufacturer of record: Aventics Corp Div Aventics Corporation
Identification
NSN: 4820-01-179-9920
NIIN: 011799920
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: R431006985
Manufacturer: Aventics Corp Div Aventics Corporation
General Description
The Piston,shaft, cataloged under National Stock Number 4820-01-179-9920, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aventics Corp Div Aventics Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 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 4820-01-179-9920?
NSN 4820-01-179-9920 is a Piston,shaft, manufactured by Aventics Corp Div Aventics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-179-9920?
NSN 4820-01-179-9920 has 1 manufacturer part number on file: R431006985 (Aventics Corp Div Aventics Corporation).
What are the specifications of R431006985?
Key specifications for R431006985: General Characteristics Item Description: ALUMINUM. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-179-9920 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.