The Cylinder Assembly,valve Throttle, cataloged under National Stock Number 4820-01-170-5388, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-170-5388 |
| Primary Part Number | NP1086-90L1 |
| Item Name | Cylinder Assembly,valve Throttle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;44.875 IN.;ONE END RECESSED,ROUND FLANGE WITH 8 HOLES 1.125 IN. DIA;TRUNNION ON OTHER END;HANDWHEEL LOCATED NEAR TRUNNION END ON ONE SIDE;COVER WITH OIL SUPPLY PORT ON SAME SIDE IN |
| 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 |
|---|---|
| NP1086-90L1 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| NP-1086 PART 90L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| NP-1086 PART 90 | 5/9 Secondary reference U.S. Government activity |
| NP1086-90 | 5/9 Secondary reference U.S. Government activity |
| NP-1086 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-170-5388 is a Cylinder Assembly,valve Throttle, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-170-5388 has 2 manufacturer part numbers on file: NP1086-90L1 (Naval Inventory Control Point Mechanicsburg), NP-1086 PART 90L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for NP1086-90L1: General Characteristics Item Description: STEEL;44.875 IN.;ONE END RECESSED,ROUND FLANGE WITH 8 HOLES 1.125 IN. DIA;TRUNNION ON OTHER END;HANDWHEEL LOCATED NEAR TRUNNION END ON ONE SIDE;COVER WITH OIL SUPPLY PORT ON SAME SIDE IN. 1 specification is 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.