PartsTable TECHNICAL DATA SHEET

NSN 4820-01-421-5202Government record, cited

Valve, Linear, Directional Control4820-01-421-5202

NSN 4820-01-421-5202 · NIIN 014215202 · Part number 21103-009

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 4820-01-421-5202 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-421-5202. Manufacturer of record part number: 21103-009.

Also searched as 4820-01-421-5202 · 4820014215202 · NIIN 014215202 · 01-421-5202 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 21103-009

Nearby stock numbers ← 4820-01-421-5201 Seat, Valve · 4820-01-421-5203 Disk, Valve →

4820-01-421-5202 — Valves, Nonpowered

Features

Valve,linear,directional Control — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Identification

NSN: 4820-01-421-5202
NIIN: 014215202
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21103-009
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-421-5202, 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. 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	4820-01-421-5202
Primary Part Number	21103-009
Item Name	Valve,linear,directional Control
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE

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
21103-009 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 4820-01-421-5202?

NSN 4820-01-421-5202 is a Valve,linear,directional Control, 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 4820-01-421-5202?

NSN 4820-01-421-5202 has 1 manufacturer part number on file: 21103-009 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 21103-009?

Key specifications for 21103-009: Special Features: VALVE SIZE 1IN IN; End Item Identification: SEAWOLF CLASS SSN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-421-5202 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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