NSN 4820-01-452-8426 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-452-8426. Manufacturer of record part number: 6243107 PART 7.
Also searched as4820-01-452-8426 ·
4820014528426 ·
NIIN 014528426 ·
01-452-8426 ·
FSC 4820 Valves, Nonpowered · CAGE 53711 · 6243107 PART 7 · 157A PLC10680 · 6243102 REV A · 6243102 REV A · 157 (AIR SERVIC
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 4820-01-452-8426
NIIN: 014528426
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 6243107 PART 7
Manufacturer: Naval Sea Systems Command
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-452-8426, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-452-8426
Primary Part Number
6243107 PART 7
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Flow Control Device
DISK
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
157 (AIR SERVIC
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
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
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 4820-01-452-8426?
NSN 4820-01-452-8426 is a Valve,safety Relief, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-452-8426?
NSN 4820-01-452-8426 has 1 manufacturer part number on file: 6243107 PART 7 (Naval Sea Systems Command).
What are the specifications of 6243107 PART 7?
Key specifications for 6243107 PART 7: Flow Control Device: DISK; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: 1.500 IN. IPS END CONNECTIONS; INSTALL VERTICALLY IN; End Item Identification: SUPPLY CLASS AOE. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-452-8426 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.