NSN 4820-01-652-1599 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-652-1599. Manufacturer of record part number: LF15M2-A.
Also searched as4820-01-652-1599 ·
4820016521599 ·
NIIN 016521599 ·
01-652-1599 ·
FSC 4820 Valves, Nonpowered · CAGE 79227 · LF15M2-A
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter: 28.5 MILLIMETERS ALL ENDS MM
Media for Which Designed: WATER, FRESH SINGLE RESPONSE
Identification
NSN: 4820-01-652-1599
NIIN: 016521599
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: LF15M2-A
Manufacturer: Watts Regulator Company
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-652-1599, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 9 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
4820-01-652-1599
Primary Part Number
LF15M2-A
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Watts Regulator Company
Status
ACTIVE
Flow Control Device
PISTON
Nominal Length
150.9 MILLIMETERS ALL ENDS MM
Minimum Operating Temp
33.0 FAHRENHEIT DEGF
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-01-652-1599?
NSN 4820-01-652-1599 is a Valve,safety Relief, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-652-1599?
NSN 4820-01-652-1599 has 1 manufacturer part number on file: LF15M2-A (Watts Regulator Company).
What are the specifications of LF15M2-A?
Key specifications for LF15M2-A: Flow Control Device: PISTON; Nominal Length: 150.9 MILLIMETERS ALL ENDS MM; Minimum Operating Temp: 33.0 FAHRENHEIT DEGF; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-652-1599 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.