NSN 4820-01-497-8737 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-8737. Manufacturer of record part number: Y101543073/CD34939N.
Also searched as4820-01-497-8737 ·
4820014978737 ·
NIIN 014978737 ·
01-497-8737 ·
FSC 4820 Valves, Nonpowered · CAGE 35795 · Y101543073/CD34939N
Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN
Connection Type: FLANGE ALL ENDS
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation Method: MANUAL
1 manufacturer part number on file
Manufacturer of record: Leslie Controls, Inc. Dba Leslie Controls Inc
Identification
NSN: 4820-01-497-8737
NIIN: 014978737
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: Y101543073/CD34939N
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description
The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-497-8737, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 4 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
4820-01-497-8737
Primary Part Number
Y101543073/CD34939N
Item Name
Valve,diaphragm,stop
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Leslie Controls, Inc. Dba Leslie Controls Inc
Status
ACTIVE
Nominal Pipe Size Accommodated
1.250 INCHES ALL ENDS IN
Connection Type
FLANGE ALL ENDS
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
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
Frequently Asked Questions
What is NSN 4820-01-497-8737?
NSN 4820-01-497-8737 is a Valve,diaphragm,stop, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-497-8737?
NSN 4820-01-497-8737 has 1 manufacturer part number on file: Y101543073/CD34939N (Leslie Controls, Inc. Dba Leslie Controls Inc).
What are the specifications of Y101543073/CD34939N?
Key specifications for Y101543073/CD34939N: Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Type: FLANGE ALL ENDS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: B16.5 FLANGE CONNECTION,DONSXA,DVC,HOD ACT,VALVE CODE 3BXG2NL,MIL-V-18030D TYPE 1,COMP D,CV=5.3,1 INCH TRAVEL,X=SPECIAL 5/8 INCH LINEAR PLUG,PT REQUIRED IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-497-8737 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.