The Valve,gate, cataloged under National Stock Number 4820-01-440-7123, 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 17 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-7123 |
| Primary Part Number | 18S-FS3-1IN |
| 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 | 1.000 INCHES IN |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A743 CA40 ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 1.000 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL COMP 410 STEM |
| Material | STEEL COMP 410 SEAT |
| Material | STEEL CORROSION RESISTING DISK |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 18S-FS3-1IN PRIMARY | Newmans Inc New Jersey Div (USA) |
| A0681-00-1IN | Newmans Inc New Jersey Div (USA) |
| Reference | Meaning |
|---|---|
| A0681-00 | D/9 Drawing number reference only Newmans Inc New Jersey Div |
NSN 4820-01-440-7123 is a Valve,gate, manufactured by Newmans Inc New Jersey Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-7123 has 2 manufacturer part numbers on file: 18S-FS3-1IN (Newmans Inc New Jersey Div), A0681-00-1IN (Newmans Inc New Jersey Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-440-7124. Verify interchangeability with system specifications before substitution.
Key specifications for 18S-FS3-1IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 1.000 INCHES IN; Stem Type: RISING. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.