The Plug and Poppet Assembly, cataloged under National Stock Number 4820-01-057-0618, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-057-0618 |
| Primary Part Number | 701317 |
| Item Name | Plug and Poppet Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF,1 EA NUT P/N 301323; 1 EA PISTON P/N 404782; 1 EA SPRING P/N 400361; 1 EA ROLL PIN,1/4 IN. DIA BY 1-3/8 IN. LG P/N 301322; 1 EA POPPET HEAD P/N 404789; 1 EA POPPET SHAFT P/N 404790; 1 EA @POPPET P/N 404779 AND 1 EA PLUG P/N 404780 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 |
|---|---|
| 701317 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| 833010-4 | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
| Reference | Meaning |
|---|---|
| 833010 | D/9 Drawing number reference only Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
NSN 4820-01-057-0618 is a Plug and Poppet Assembly, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-057-0618 has 2 manufacturer part numbers on file: 701317 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 833010-4 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
3 possible matches (shared part number, not a government interchangeability claim): 5340-01-206-0008, 2090-01-433-9072, 2090-01-559-9776. Verify interchangeability with system specifications before substitution.
Key specifications for 701317: General Characteristics Item Description: CONSIST OF,1 EA NUT P/N 301323; 1 EA PISTON P/N 404782; 1 EA SPRING P/N 400361; 1 EA ROLL PIN,1/4 IN. DIA BY 1-3/8 IN. LG P/N 301322; 1 EA POPPET HEAD P/N 404789; 1 EA POPPET SHAFT P/N 404790; 1 EA @POPPET P/N 404779 AND 1 EA PLUG P/N 404780 IN; End Item Identification: GREER OLAER PRODUCTS DIV. DESURGER 3000 PSIG MAX. WP,DWG NO. 833010. 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.