NSN 4820-01-171-1877 · NIIN 011711877 · Part number RV-316-2
Neptune Chemical Pump Co Div of R a Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 28625
Government record, cited
NSN 4820-01-171-1877 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-1877. Manufacturer of record part number: RV-316-2.
Also searched as4820-01-171-1877 ·
4820011711877 ·
NIIN 011711877 ·
01-171-1877 ·
FSC 4820 Valves, Nonpowered · CAGE 28625 · RV-316-2
Opening Pressure Setting: 190.0 POUNDS PER SQUARE INCH LBS
1 manufacturer part number on file
Manufacturer of record: Neptune Chemical Pump Co Div of R a Industries Inc
Identification
NSN: 4820-01-171-1877
NIIN: 011711877
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: RV-316-2
Manufacturer: Neptune Chemical Pump Co Div of R a Industries Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-171-1877, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Neptune Chemical Pump Co Div of R a Industries Inc. Government technical data includes 1 specification, 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
Parameter
Value
NSN
4820-01-171-1877
Primary Part Number
RV-316-2
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Neptune Chemical Pump Co Div of R a Industries Inc
Neptune Chemical Pump Co Div of R a Industries Inc (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 4820-01-171-1877?
NSN 4820-01-171-1877 is a Valve,safety Relief, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-171-1877?
NSN 4820-01-171-1877 has 1 manufacturer part number on file: RV-316-2 (Neptune Chemical Pump Co Div of R a Industries Inc).
What are the specifications of RV-316-2?
Key specifications for RV-316-2: Opening Pressure Setting: 190.0 POUNDS PER SQUARE INCH LBS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-171-1877 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.