NSN 4820-01-415-4935 · NIIN 014154935 · Part number 137-251-020-423-000
Emerson Automation Solutions Final Control Us Lp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04613
Government record, cited
NSN 4820-01-415-4935 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-415-4935. Manufacturer of record part number: 137-251-020-423-000.
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp
Identification
NSN: 4820-01-415-4935
NIIN: 014154935
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 137-251-020-423-000
Manufacturer: Emerson Automation Solutions Final Control Us Lp
General Description
The Indicator,valve Opening, cataloged under National Stock Number 4820-01-415-4935, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Emerson Automation Solutions Final Control Us Lp (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 4820-01-415-4935?
NSN 4820-01-415-4935 is a Indicator,valve Opening, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-415-4935?
NSN 4820-01-415-4935 has 2 manufacturer part numbers on file: D423-2-2-440A-9 (Emerson Automation Solutions Final Control Us Lp), 137-251-020-423-000 (Emerson Automation Solutions Final Control Us Lp).
What are the specifications of 137-251-020-423-000?
Key specifications for 137-251-020-423-000: End Item Identification: KEYSTONE INC. GEAR OPERATOR ASSY 440-819-020-423-046 USED ON SEAWOLF CLASS SSN; Material: IRON CAST CASE. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-415-4935 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.