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NSN 4820-01-443-5042Government record, cited
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Stem, Fluid Valve4820-01-443-5042

NSN 4820-01-443-5042 · NIIN 014435042 · Part number 1861 SWE 1/4 PART 4
William Powell Company, the Dba Powell Valve Div the Starflo Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 48422
Government record, cited
NSN 4820-01-443-5042 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-443-5042. Manufacturer of record part number: 1861 SWE 1/4 PART 4.
Also searched as  4820-01-443-5042 · 4820014435042 · NIIN 014435042 · 01-443-5042 · FSC 4820 Valves, Nonpowered · CAGE 48422 · 1861 SWE 1/4 PART 4 · 63502-B · 63502-B 1861 SWE 1/4 PART 4
Nearby stock numbers  ·
GATE VALVE PROFILE
4820-01-443-5042 — Valves, Nonpowered
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: GLOBE
  • Stem Actuating End Type: ROUNDED
  • Valve Model Number for Which Designed: 1861 SWE
  • Material Document and Classification: ASTM A276, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Size for Which Designed: 0.250 INCHES IN
  • Material: STEEL COMP 316
  • 1 manufacturer part number on file
Identification
  • NSN: 4820-01-443-5042
  • NIIN: 014435042
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 1861 SWE 1/4 PART 4
  • Manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-443-5042, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
ParameterValue
NSN4820-01-443-5042
Primary Part Number1861 SWE 1/4 PART 4
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Valve Type for Which DesignedGLOBE
Stem Actuating End TypeROUNDED
Valve Model Number for Which Designed1861 SWE
Material Document and ClassificationASTM A276, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE
Valve Size for Which Designed0.250 INCHES IN
MaterialSTEEL COMP 316
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-443-50451861 SWE 1/4 PART 13 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-443-50571861 SWE 1/4INCH POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-447-777063502-B 1861 SWE 1/2 PART 9 POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-447-778263502-B 1861 SWE 1/2 PART 4 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-447-798463502-B 1861 SWE 1/2 PART 13 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4730-01-448-884863502-B 1861 SWE 1/2 PART 10 POSSIBLE MATCH
LOCKNUT,PIPE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Cross-Reference Index
Part NumberManufacturer
1861 SWE 1/4 PART 4 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Reference documents
ReferenceMeaning
63502-B D/9 Drawing number reference only
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
1861 SWE 1/4 PART 4 5/9 Secondary reference
Mutual Mfg and Supply Co
63502-B 1861 SWE 1/4 PART 4 5/9 Secondary reference
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Related Parts
4820-01-443-5045POSSIBLE MATCH
DISK,VALVE
1861 SWE 1/4 PART 13
4820-01-443-5057POSSIBLE MATCH
VALVE,GLOBE
1861 SWE 1/4INCH
4820-01-447-7770POSSIBLE MATCH
CAP,VALVE
63502-B 1861 SWE 1/2 PART 9
4820-01-447-7782POSSIBLE MATCH
STEM,FLUID VALVE
63502-B 1861 SWE 1/2 PART 4
4820-01-447-7984POSSIBLE MATCH
DISK,VALVE
63502-B 1861 SWE 1/2 PART 13
4730-01-448-8848POSSIBLE MATCH
LOCKNUT,PIPE
63502-B 1861 SWE 1/2 PART 10

Frequently Asked Questions

What is NSN 4820-01-443-5042?

NSN 4820-01-443-5042 is a Stem,fluid Valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-443-5042?

NSN 4820-01-443-5042 has 1 manufacturer part number on file: 1861 SWE 1/4 PART 4 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-443-5042?

6 possible matches (shared part number, not a government interchangeability claim): 4820-01-443-5045, 4820-01-443-5057, 4820-01-447-7770. Verify interchangeability with system specifications before substitution.

What are the specifications of 1861 SWE 1/4 PART 4?

Key specifications for 1861 SWE 1/4 PART 4: Valve Type for Which Designed: GLOBE; Stem Actuating End Type: ROUNDED; Valve Model Number for Which Designed: 1861 SWE; Material Document and Classification: ASTM A276, TYPE 316 ASSN STD SINGLE MATERIAL RESPONSE. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-443-5042 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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