The Plug-Adjustment, cataloged under National Stock Number 4820-01-225-0103, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-225-0103 |
| Primary Part Number | LL-1408 ITEM 20VM |
| Item Name | Plug-Adjustment |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| General Characteristics Item Description | CRES; THD 0.375-24 UNF-2B |
| 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 |
|---|---|
| LL-1408 ITEM 20VM | Naval Inventory Control Point Mechanicsburg (USA) |
| 04357-1VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 04357-01 | C/1 Advisory reference — outside the item-of-supply concept Olmsted Products Company Llc |
| 04357-1 | 3/9 Design control — primary reference Olmsted Products Company Llc |
| LL-1408 ITEM 20 | 5/9 Secondary reference Olmsted Products Company Llc |
NSN 4820-01-225-0103 is a Plug-Adjustment, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-225-0103 has 2 manufacturer part numbers on file: LL-1408 ITEM 20VM (Naval Inventory Control Point Mechanicsburg), 04357-1VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for LL-1408 ITEM 20VM: General Characteristics Item Description: CRES; THD 0.375-24 UNF-2B; End Item Identification: OLMSTEAD PRODUCTS CO MANIFOLD ASSEMBLY MODEL NO. MA116-01. 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.