NSN 4820-01-456-7582 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-456-7582. Manufacturer of record part number: 3-795-903-000.
Adjustable Pressure Range: +35.0 TO 160.0 POUNDS PER SQUARE INCH LBS
Material: IRON CAST BODY
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Viking Pump, Inc
Identification
NSN: 4820-01-456-7582
NIIN: 014567582
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3-795-903-000
Manufacturer: Viking Pump, Inc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-456-7582, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Viking Pump, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-456-7582?
NSN 4820-01-456-7582 is a Valve,safety Relief, manufactured by Viking Pump, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-456-7582?
NSN 4820-01-456-7582 has 2 manufacturer part numbers on file: LM 4-8060-2424-504 ITEM 24 (Viking Pump, Inc), 3-795-903-000 (Viking Pump, Inc).
What are the specifications of 3-795-903-000?
Key specifications for 3-795-903-000: Flow Control Device: DISK; Adjustable Pressure Range: +35.0 TO 160.0 POUNDS PER SQUARE INCH LBS; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: IRON CAST BODY. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-456-7582 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.