Subplate Assembly, Valve4820-01-061-0423

NSN 4820-01-061-0423 · NIIN 010610423 · Part number 20319-400

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062

Government record, cited

NSN 4820-01-061-0423 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-061-0423. Manufacturer of record part number: 20319-400.

Also searched as 4820-01-061-0423 · 4820010610423 · NIIN 010610423 · 01-061-0423 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20319-400

Nearby stock numbers ← 4820-01-061-0422 Keeper, Valve, Control · 4820-01-061-0425 Subplate Assembly, Valve →

4820-01-061-0423 — Valves, Nonpowered

Features

Subplate Assembly,valve — FSC 4820
General Characteristics Item Description: C/O 8 BACK-UPS,POLYTETRAFLUOROETHYLENE MIL-R-8791;8 O-RINGS,BUNA-N MIL-P-25732;6 DRIVE SCREWS, COMMERICAL STEEL ALLOY;4 SLEEVES, 6061-T651 PER QQ-A-225/8;4 FERRULES,6061-T651 PER QQ-A-225/8;1 TRADEMARK,3003-0 PER QQ-A-225/2;1 NAMEPLATE,CRES 302 PER MIL-S-5059;1 SUBPLATE HSG,6061-T651 PER QQ-A-225/8
1 manufacturer part number on file
Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Identification

NSN: 4820-01-061-0423
NIIN: 010610423
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20319-400
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Subplate Assembly,valve, cataloged under National Stock Number 4820-01-061-0423, 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.

Technical Specifications

Parameter	Value
NSN	4820-01-061-0423
Primary Part Number	20319-400
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	C/O 8 BACK-UPS,POLYTETRAFLUOROETHYLENE MIL-R-8791;8 O-RINGS,BUNA-N MIL-P-25732;6 DRIVE SCREWS, COMMERICAL STEEL ALLOY;4 SLEEVES, 6061-T651 PER QQ-A-225/8;4 FERRULES,6061-T651 PER QQ-A-225/8;1 TRADEMARK,3003-0 PER QQ-A-225/2;1 NAMEPLATE,CRES 302 PER MIL-S-5059;1 SUBPLATE HSG,6061-T651 PER QQ-A-225/8

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
20319-400 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-061-0423?

NSN 4820-01-061-0423 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.

What part numbers are listed for NSN 4820-01-061-0423?

NSN 4820-01-061-0423 has 1 manufacturer part number on file: 20319-400 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 20319-400?

Key specifications for 20319-400: General Characteristics Item Description: C/O 8 BACK-UPS,POLYTETRAFLUOROETHYLENE MIL-R-8791;8 O-RINGS,BUNA-N MIL-P-25732;6 DRIVE SCREWS, COMMERICAL STEEL ALLOY;4 SLEEVES, 6061-T651 PER QQ-A-225/8;4 FERRULES,6061-T651 PER QQ-A-225/8;1 TRADEMARK,3003-0 PER QQ-A-225/2;1 NAMEPLATE,CRES 302 PER MIL-S-5059;1 SUBPLATE HSG,6061-T651 PER QQ-A-225/8. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-061-0423 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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