Valve, Linear, Directional Control 4820-01-421-1688 NSN 4820-01-421-1688 · NIIN 014211688 · Part number 21103-008
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062
NSN 4820-01-421-1688 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-421-1688. Manufacturer of record part number: 21103-008 .
Also searched as
4820-01-421-1688 ·
4820014211688 ·
NIIN 014211688 ·
01-421-1688 ·
FSC 4820 Valves, Nonpowered · CAGE 78062 · 21103-008 · 211059721
Nearby stock numbers
← 4820-01-421-1687 Valve, Linear, Directional Control
·
4820-01-421-1689 Valve, Linear, Directional Control →
4820-01-421-1688 — Valves, Nonpowered
Features
Valve,linear,directional Control — FSC 4820 2 manufacturer part numbers on file Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Identification
NSN: 4820-01-421-1688
NIIN: 014211688
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21103-008
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 4820-01-421-1688, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-421-1688 Primary Part Number 21103-008 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
211059721 Naval Sea Systems Command (USA)
21103-008 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 4820-01-421-1688?
NSN 4820-01-421-1688 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 4820-01-421-1688?
NSN 4820-01-421-1688 has 2 manufacturer part numbers on file: 211059721 (Naval Sea Systems Command), 21103-008 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
What are the specifications of 21103-008?
Key specifications for 21103-008: End Item Identification: SEAWOLF CLASS SSN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-421-1688 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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