Stem, Fluid Valve 4820-01-258-5170 NSN 4820-01-258-5170 · NIIN 012585170 · Part number 421-LN
Aquamatic Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04816
NSN 4820-01-258-5170 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-258-5170. Manufacturer of record part number: 421-LN .
Also searched as
4820-01-258-5170 ·
4820012585170 ·
NIIN 012585170 ·
01-258-5170 ·
FSC 4820 Valves, Nonpowered · CAGE 04816 · 421-LN · D-420-102
Nearby stock numbers
← 4820-01-258-5169 Stem, Fluid Valve
·
4820-01-258-5171 Stem, Fluid Valve →
4820-01-258-5170 — Valves, Nonpowered
Features
Stem,fluid Valve — FSC 4820 Material: NICKEL ALLOY 1 manufacturer part number on file Manufacturer of record: Aquamatic Inc
Identification
NSN: 4820-01-258-5170
NIIN: 012585170
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 421-LN
Manufacturer: Aquamatic Inc
General Description
The Stem,fluid Valve, cataloged under National Stock Number 4820-01-258-5170, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aquamatic Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-258-5170 Primary Part Number 421-LN Item Name Stem,fluid Valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Aquamatic Inc Status ACTIVE Material NICKEL ALLOY
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
421-LN PRIMARY Aquamatic Inc (USA)
Reference documents
Reference Meaning
D-420-102
D/9 Drawing number reference only Aquamatic Inc
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 4820-01-258-5170?
NSN 4820-01-258-5170 is a Stem,fluid Valve, manufactured by Aquamatic Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-258-5170?
NSN 4820-01-258-5170 has 1 manufacturer part number on file: 421-LN (Aquamatic Inc).
What are the specifications of 421-LN?
Key specifications for 421-LN: Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-258-5170 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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