The Subplate Assembly,valve, cataloged under National Stock Number 4820-01-063-1885, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-063-1885 |
| Primary Part Number | 20388-400 |
| Item Name | Subplate Assembly,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | 7.380 IN. LG,6.250 IN. W,2.800 IN. THK;4 BOLT HOLES 0.513 IN. DIA,SPACED 5.250 IN. ACROSS WD;6.375 IN. LENGTHWISE;OPERATING PRESS 60/3000 PSIG;BURST PRESS 1450/7500 PSIG IN |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| 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 |
|---|---|
| 20388-400 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4820-01-063-1885 is a Subplate Assembly,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-063-1885 has 1 manufacturer part number on file: 20388-400 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 20388-400: General Characteristics Item Description: 7.380 IN. LG,6.250 IN. W,2.800 IN. THK;4 BOLT HOLES 0.513 IN. DIA,SPACED 5.250 IN. ACROSS WD;6.375 IN. LENGTHWISE;OPERATING PRESS 60/3000 PSIG;BURST PRESS 1450/7500 PSIG IN; Surface Treatment: CADMIUM; Material: STEEL. 3 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.