The Restrictor,valve, cataloged under National Stock Number 4820-01-258-4084, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aerojet Rocketdyne of De, Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-258-4084 |
| Primary Part Number | ODM001-100000-0001 |
| Item Name | Restrictor,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aerojet Rocketdyne of De, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL - POLYETHYLENE TEREPHTHALATE, MIL-I-631, TYPE G, FORM S, GRADE A, CL 1, .005 THICK; LENGTH 4.00 IN.; WIDTH 4.00 IN.; 4 MOUNTING HOLES 0.180 IN. DIA IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| ODM001-100000-0001 PRIMARY | Aerojet Rocketdyne of De, Inc (USA) |
| Reference | Meaning |
|---|---|
| 5617894 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4820-01-258-4084 is a Restrictor,valve, manufactured by Aerojet Rocketdyne of De, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-258-4084 has 1 manufacturer part number on file: ODM001-100000-0001 (Aerojet Rocketdyne of De, Inc).
Key specifications for ODM001-100000-0001: General Characteristics Item Description: MATERIAL - POLYETHYLENE TEREPHTHALATE, MIL-I-631, TYPE G, FORM S, GRADE A, CL 1, .005 THICK; LENGTH 4.00 IN.; WIDTH 4.00 IN.; 4 MOUNTING HOLES 0.180 IN. DIA IN; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; Part Name Assigned by Controlling Agency: VALVE,CHECK. 2 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.