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NSN 4820-01-400-3154Government record, cited

Valve, Safety Relief4820-01-400-3154

NSN 4820-01-400-3154 · NIIN 014003154 · Part number 451624
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 07524
Government record, cited
NSN 4820-01-400-3154 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-400-3154. Manufacturer of record part number: 451624.
Also searched as  4820-01-400-3154 · 4820014003154 · NIIN 014003154 · 01-400-3154 · FSC 4820 Valves, Nonpowered · CAGE 07524 · 451624
Nearby stock numbers  ·
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: DISK
  • Disk Loading Method: SPRING
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Material: STEEL BODY
  • Valve Operation Method: AUTOMATIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Identification
  • NSN: 4820-01-400-3154
  • NIIN: 014003154
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 451624
  • Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-400-3154, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-400-3154
Primary Part Number451624
Item NameValve,safety Relief
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Flow Control DeviceDISK
Disk Loading MethodSPRING
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialSTEEL BODY
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
451624 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-400-3154?

NSN 4820-01-400-3154 is a Valve,safety Relief, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-400-3154?

NSN 4820-01-400-3154 has 1 manufacturer part number on file: 451624 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What are the specifications of 451624?

Key specifications for 451624: Flow Control Device: DISK; Disk Loading Method: SPRING; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; End Item Identification: PUMP TRUCK FUELING, DOVER CORP, MODEL NO. 1.5MS-100A-SC TYPE 1 A. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-400-3154 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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