NSN 4820-01-577-5419 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-577-5419. Manufacturer of record part number: 8128390A.
Also searched as4820-01-577-5419 ·
4820015775419 ·
NIIN 015775419 ·
01-577-5419 ·
FSC 4820 Valves, Nonpowered · CAGE 0Z3K2 · 8128390A
Burst Pressure: 12.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 15.0 PRESSURE POUNDS PER SQUARE INCH GAGE
Burst Temperature: 72.0 FAHRENHEIT DEGF
Head Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Tri-State Technical Sales
Identification
NSN: 4820-01-577-5419
NIIN: 015775419
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8128390A
Manufacturer: Tri-State Technical Sales
General Description
The Head,safety,pressure Relief, cataloged under National Stock Number 4820-01-577-5419, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tri-State Technical Sales. Government technical data includes 3 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
Parameter
Value
NSN
4820-01-577-5419
Primary Part Number
8128390A
Item Name
Head,safety,pressure Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Tri-State Technical Sales
Status
ACTIVE
Burst Pressure
12.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 15.0 PRESSURE POUNDS PER SQUARE INCH GAGE
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 4820-01-577-5419?
NSN 4820-01-577-5419 is a Head,safety,pressure Relief, manufactured by Tri-State Technical Sales, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-577-5419?
NSN 4820-01-577-5419 has 1 manufacturer part number on file: 8128390A (Tri-State Technical Sales).
What are the specifications of 8128390A?
Key specifications for 8128390A: Burst Pressure: 12.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 15.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Burst Temperature: 72.0 FAHRENHEIT DEGF; Head Material: STEEL CORROSION RESISTING; Special Features: 2 INCH ENVIRO-SEAL I DISC; NON ASBESTOS GASKET; POLYTETRAFLUOROETHYLENE SEAL IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-577-5419 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.