NSN 4820-01-228-7751 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-228-7751. Manufacturer of record part number: 7897A4.
Also searched as4820-01-228-7751 ·
4820012287751 ·
NIIN 012287751 ·
01-228-7751 ·
FSC 4820 Valves, Nonpowered · CAGE 39428 · 7897A4
Inlet Fitting Connection Type: COMPRESSED GAS ASSOCIATION
Stage Type: DOUBLE
Mounting Method: CYLINDER
Mounting Position: LEFT SIDE
Inlet Fitting Connection Cga Number: 300
Identification
NSN: 4820-01-228-7751
NIIN: 012287751
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 7897A4
Manufacturer: Mcmaster-Carr Supply Co
General Description
The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-228-7751, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 10 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.
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 4820-01-228-7751?
NSN 4820-01-228-7751 is a Regulator,compressed Gas, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-228-7751?
NSN 4820-01-228-7751 has 1 manufacturer part number on file: 7897A4 (Mcmaster-Carr Supply Co).
What are the specifications of 7897A4?
Key specifications for 7897A4: Outlet Indicator Type: DIAL PRESSURE GAGE; Inlet Indicator Type: DIAL PRESSURE GAGE; Inlet Fitting Connection Type: COMPRESSED GAS ASSOCIATION; Stage Type: DOUBLE. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-228-7751 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.