NSN 4820-01-643-1022 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-1022. Manufacturer of record part number: 61-104-01.
Also searched as4820-01-643-1022 ·
4820016431022 ·
NIIN 016431022 ·
01-643-1022 ·
FSC 4820 Valves, Nonpowered · CAGE 16986 · 61-104-01
Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 0.750 INCHES IN
Maximum Operating Temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter: 1.500 INCHES SECOND END IN
Nominal Outside Diameter: 2.370 INCHES FIRST END IN
Material: COPPER ALLOY BODY
Identification
NSN: 4820-01-643-1022
NIIN: 016431022
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 61-104-01
Manufacturer: Apollo Machine Shop
General Description
The Valve,check, cataloged under National Stock Number 4820-01-643-1022, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Apollo Machine Shop. 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
4820-01-643-1022
Primary Part Number
61-104-01
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Apollo Machine Shop
Status
ACTIVE
Style Designator
STRAIGHT THRU
Operating Pressure
400.0 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 4820-01-643-1022?
NSN 4820-01-643-1022 is a Valve,check, manufactured by Apollo Machine Shop, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-643-1022?
NSN 4820-01-643-1022 has 1 manufacturer part number on file: 61-104-01 (Apollo Machine Shop).
What are the specifications of 61-104-01?
Key specifications for 61-104-01: Style Designator: STRAIGHT THRU; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.750 INCHES IN; Maximum Operating Temp: 100.0 FAHRENHEIT SINGLE RESPONSE DEGF. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-643-1022 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.