NSN 4820-01-431-6627 · NIIN 014316627 · Part number 5240103
W S Darley & Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15852
Government record, cited
NSN 4820-01-431-6627 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-431-6627. Manufacturer of record part number: 5240103.
Also searched as4820-01-431-6627 ·
4820014316627 ·
NIIN 014316627 ·
01-431-6627 ·
FSC 4820 Valves, Nonpowered · CAGE 15852 · 5240103 · B229 REP NO 66 · A170-3
The Stem,fluid Valve, cataloged under National Stock Number 4820-01-431-6627, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W S Darley & Co. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-431-6627
Primary Part Number
5240103
Item Name
Stem,fluid Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
W S Darley & Co
Status
ACTIVE
Stem Actuating End Type
THREADED EXTERNALLY
Material
STEEL COMP 316
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
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 4820-01-431-6627 is a Stem,fluid Valve, manufactured by W S Darley & Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-431-6627?
NSN 4820-01-431-6627 has 1 manufacturer part number on file: 5240103 (W S Darley & Co).
What NSN replaces 4820-01-431-6627?
6 possible matches (shared part number, not a government interchangeability claim): 8455-01-524-5148, 8455-01-559-4808, 8455-01-559-4814. Verify interchangeability with system specifications before substitution.
What are the specifications of 5240103?
Key specifications for 5240103: Stem Actuating End Type: THREADED EXTERNALLY; End Item Identification: NIMITZ CLASS CVN; Material: STEEL COMP 316. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-431-6627 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.