The Subplate Assembly,valve, cataloged under National Stock Number 4820-01-064-5778, 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 1 specification, 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 | 4820-01-064-5778 |
| Primary Part Number | 20375-400 |
| 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 | ALUMINUM ALLOY, CONFIGURATION MULTI-PORTED RECTANGULAR BLOCK; 6.272 IN. L; 5.150 IN. W; 2.950 IN. H; 4 MOUNTING HOLES 0.540 IN DIA; 5.250 IN. C TO C ALONG LENGTH; 4.250 IN. C TO C ALG WIDTH; FURNISHED W/4 PORT SLEEVES 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 |
|---|---|
| 20375-400 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4820-01-064-5778 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 4820-01-064-5778 has 1 manufacturer part number on file: 20375-400 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 20375-400: General Characteristics Item Description: ALUMINUM ALLOY, CONFIGURATION MULTI-PORTED RECTANGULAR BLOCK; 6.272 IN. L; 5.150 IN. W; 2.950 IN. H; 4 MOUNTING HOLES 0.540 IN DIA; 5.250 IN. C TO C ALONG LENGTH; 4.250 IN. C TO C ALG WIDTH; FURNISHED W/4 PORT SLEEVES 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.