The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-992-3946, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-992-3946 |
| Primary Part Number | 400H |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 400H PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| 4221099 PRIMARY | Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA) |
| 31G22 | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| 31G22 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| 400H | 5/9 Secondary reference Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division |
| 31G22 | 5/9 Secondary reference Barber-Greene Co |
NSN 4820-00-992-3946 is a Valve,linear,directional Control, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-992-3946 has 3 manufacturer part numbers on file: 400H (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 4221099 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 31G22 (Astec Industries Inc Div Astec Ind.).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-486-7017. Verify interchangeability with system specifications before substitution.
Key specifications for 400H: Special Features: FOUR-WAY,3 POSITION,HARDEN SPOOL,DOUBLE ACTING CYLINDER,SPRING LOADED,1500 PSI MAX PRESSURE RATING,16 GPM CAPACITY; End Item Identification: AIRPORT RUNWAY SWEEPER,SICARD MODEL SW-112. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.