NSN 4820-01-456-9792 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-456-9792. Manufacturer of record part number: 9542807.
Bolt Circle Nominal Diameter: 6.000 INCHES ALL ENDS IN
Mounting Position: HORIZONTAL
Connection Type: FLANGE ALL ENDS
Style Designator: STRAIGHT THRU
Identification
NSN: 4820-01-456-9792
NIIN: 014569792
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9542807
Manufacturer: Apco/valve & Primer Corp
General Description
The Valve,check, cataloged under National Stock Number 4820-01-456-9792, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Apco/valve & Primer Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-456-9792
Primary Part Number
9542807
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Apco/valve & Primer Corp
Status
ACTIVE
Flow Control Device
DISK
Flange Shape
ROUND WITH HOLES ALL ENDS
Flange Face Design
PLAIN ALL ENDS
Bolt Circle Nominal Diameter
6.000 INCHES ALL ENDS IN
Mounting Position
HORIZONTAL
Connection Type
FLANGE ALL ENDS
Style Designator
STRAIGHT THRU
Bolt Hole Nominal Diameter
0.750 INCHES ALL ENDS IN
Operating Pressure
175.0 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
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 4820-01-456-9792?
NSN 4820-01-456-9792 is a Valve,check, manufactured by Apco/valve & Primer Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-456-9792?
NSN 4820-01-456-9792 has 2 manufacturer part numbers on file: 103.1 (Apco/valve & Primer Corp), 9542807 (Apco/valve & Primer Corp).
What are the specifications of 9542807?
Key specifications for 9542807: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Bolt Circle Nominal Diameter: 6.000 INCHES ALL ENDS IN. 19 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-456-9792 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.