NSN 4820-01-612-9473 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-612-9473. Manufacturer of record part number: L100XL.
Also searched as4820-01-612-9473 ·
4820016129473 ·
NIIN 016129473 ·
01-612-9473 ·
FSC 4820 Valves, Nonpowered · CAGE 79227 · L100XL
Nominal Pipe Size Accommodated: 0.75 INCHES FIRST END IN
Connection Type: THREADED EXTERNAL PIPE FIRST END
Style Designator: ANGLE
Nominal Width: 1.875 INCHES ALL ENDS IN
Face to Face Distance: 2.8125 INCHES IN
Media for Which Designed: WATER, FRESH SINGLE RESPONSE
Valve Operation Method: AUTOMATIC
Identification
NSN: 4820-01-612-9473
NIIN: 016129473
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: L100XL
Manufacturer: Watts Regulator Company
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-612-9473, 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 7 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 4820-01-612-9473?
NSN 4820-01-612-9473 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 4820-01-612-9473?
NSN 4820-01-612-9473 has 1 manufacturer part number on file: L100XL (Watts Regulator Company).
What are the specifications of L100XL?
Key specifications for L100XL: Nominal Pipe Size Accommodated: 0.75 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL PIPE FIRST END; Style Designator: ANGLE; Nominal Width: 1.875 INCHES ALL ENDS IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-612-9473 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.