PartsTable TECHNICAL DATA SHEET
NSN 4820-01-127-5116Government record, cited

Valve, Safety Relief4820-01-127-5116

NSN 4820-01-127-5116 · NIIN 011275116 · Part number 20194JS41M
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187
Government record, cited
NSN 4820-01-127-5116 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-5116. Manufacturer of record part number: 20194JS41M.
Also searched as  4820-01-127-5116 · 4820011275116 · NIIN 011275116 · 01-127-5116 · FSC 4820 Valves, Nonpowered · CAGE 15187 · 20194JS41M · 20194
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
  • Connection Style: SOCKET ALL ENDS
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Style Designator: ANGLE
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Adjustable Pressure Range: +56.0 TO 65.0 POUNDS PER SQUARE INCH LBS
Identification
  • NSN: 4820-01-127-5116
  • NIIN: 011275116
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 20194JS41M
  • Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-127-5116, 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 Div Navy Product Team. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4820-01-127-5116
Primary Part Number20194JS41M
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Flow Control DeviceDISK
Nominal Pipe Size Accommodated0.250 INCHES ALL ENDS IN
Connection StyleSOCKET ALL ENDS
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorANGLE
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Adjustable Pressure Range+56.0 TO 65.0 POUNDS PER SQUARE INCH LBS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Media for Which DesignedLIQUID, INGESTED SINGLE RESPONSE
MaterialCOPPER ALLOY BODY
MaterialNICKEL ALLOY STEM
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
MaterialNICKEL ALLOY SEAT
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-130-53852019401E0025 POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-237-280620194NS41M POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6520-01-290-116420194 POSSIBLE MATCH
ETCHANT GEL,REFILL,DENTAL
Possible match (shared part number)Kerr Corporation
4820-01-315-256220194 ASSY 20194EM41M POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5895-01-462-1806 POSSIBLE MATCH
RECEIVER-TRANSMITTER GROUP
Possible match (shared part number)
4820-01-501-314320194KS41M POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-511-54792019409E0205MOD POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-526-845820194DM41M POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20194JS41M PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Reference documents
ReferenceMeaning
20194JS41M 5/9 Secondary reference
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
20194 D/9 Drawing number reference only
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Related Parts
4820-01-130-5385POSSIBLE MATCH
VALVE,SAFETY RELIEF
2019401E0025
4820-01-237-2806POSSIBLE MATCH
VALVE,SAFETY RELIEF
20194NS41M
6520-01-290-1164POSSIBLE MATCH
ETCHANT GEL,REFILL,DENTAL
20194
4820-01-315-2562POSSIBLE MATCH
VALVE,SAFETY RELIEF
20194 ASSY 20194EM41M
5895-01-462-1806POSSIBLE MATCH
RECEIVER-TRANSMITTER GROUP
4820-01-501-3143POSSIBLE MATCH
VALVE,SAFETY RELIEF
20194KS41M
4820-01-511-5479POSSIBLE MATCH
VALVE,SAFETY RELIEF
2019409E0205MOD
4820-01-526-8458POSSIBLE MATCH
VALVE,SAFETY RELIEF
20194DM41M

Frequently Asked Questions

What is NSN 4820-01-127-5116?

NSN 4820-01-127-5116 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-127-5116?

NSN 4820-01-127-5116 has 1 manufacturer part number on file: 20194JS41M (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-127-5116?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-130-5385, 4820-01-237-2806, 6520-01-290-1164. Verify interchangeability with system specifications before substitution.

What are the specifications of 20194JS41M?

Key specifications for 20194JS41M: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-127-5116 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.
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