NSN 4820-01-420-5247 · NIIN 014205247 · Part number 18S-FS3 .50IN
Newmans Inc New Jersey Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61661
Government record, cited
NSN 4820-01-420-5247 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-420-5247. Manufacturer of record part number: 18S-FS3 .50IN.
Material Document and Classification: ASTMA105 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and Classification: ASTMA226 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Identification
NSN: 4820-01-420-5247
NIIN: 014205247
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 18S-FS3 .50IN
Manufacturer: Newmans Inc New Jersey Div
General Description
The Valve,gate, cataloged under National Stock Number 4820-01-420-5247, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Newmans Inc New Jersey Div. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 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
4820-01-420-5247
Primary Part Number
18S-FS3 .50IN
Item Name
Valve,gate
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Newmans Inc New Jersey Div
Status
ACTIVE
Furnished Items and Quantity
1 HANDWHEEL
Inlet Relationship with Outlet
IDENTICAL
Nominal Pipe Size Accommodated
0.500 INCHES IN
Stem Type
NONRISING
Connection Type
SOCKET, WELD, PIPE
Material Document and Classification
ASTMA105 ASSN STD SINGLE MATERIAL RESPONSE BODY
Material Document and Classification
ASTMA226 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material Document and Classification
ASTMA276 ASSN STD SINGLE MATERIAL RESPONSE STEM
Material Document and Classification
ASTMA743 ASSN STD SINGLE MATERIAL RESPONSE DISK
Valve Size
0.500 INCHES IN
Bonnet Type
OUTSIDE SCREW-YOKE
Bonnet Attachment Method
BOLTED
Pressure Class
ERR-060
Material
STEEL BODY
Material
STEEL CORROSION RESISTING SEAT
Material
STEEL CORROSION RESISTING STEM
Material
STEEL CORROSION RESISTING DISK
Valve Operation Method
MANUAL
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-423-0755A0681-00 IT3POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-423-0908A0681-00 IT6POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-423-1846A0681-00 IT11 3/4INPOSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-423-1993A0681-00 IT4POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-423-2451A0681-00 IT15POSSIBLE MATCH
SLEEVE,VALVE,GATE
Possible match (shared part number)Newmans Inc New Jersey Div
4810-01-440-712118X-F53-WB-RP 1.5POSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-440-712218S-FS3-.75INPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-440-712318S-FS3-1INPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Newmans Inc New Jersey Div
4820-01-440-712418S-FS3 2INPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Newmans Inc New Jersey Div
NSN 4820-01-420-5247 is a Valve,gate, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-420-5247?
NSN 4820-01-420-5247 has 4 manufacturer part numbers on file: A0681-00 .50IN (Newmans Inc New Jersey Div), 18S-FS3-NC (Newmans Valve, Llc), 18S-FS3 .50IN (Newmans Inc New Jersey Div), A0681-00 (Newmans Inc New Jersey Div).
What NSN replaces 4820-01-420-5247?
9 possible matches (shared part number, not a government interchangeability claim): 4820-01-423-0755, 4820-01-423-0908, 4820-01-423-1846. Verify interchangeability with system specifications before substitution.
What are the specifications of 18S-FS3 .50IN?
Key specifications for 18S-FS3 .50IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.500 INCHES IN; Stem Type: NONRISING. 18 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-420-5247 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.