NSN 4820-01-727-8017 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-727-8017. Manufacturer of record part number: 4ALF 3A44A.
Operating Pressure: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 0.75 INCHES IN
2 manufacturer part numbers on file
Manufacturer of record: Conbraco Industries Inc
Identification
NSN: 4820-01-727-8017
NIIN: 017278017
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4ALF 3A44A
Manufacturer: Conbraco Industries Inc
General Description
The Valve,check, cataloged under National Stock Number 4820-01-727-8017, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conbraco Industries Inc. Government technical data includes 3 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-727-8017
Primary Part Number
4ALF 3A44A
Item Name
Valve,check
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Conbraco Industries Inc
Status
ACTIVE
Supplementary Features
WEIGHT 1.5 POUNDS LBS
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
Frequently Asked Questions
What is NSN 4820-01-727-8017?
NSN 4820-01-727-8017 is a Valve,check, manufactured by Conbraco Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-727-8017?
NSN 4820-01-727-8017 has 2 manufacturer part numbers on file: 4ALF 3A44A (Aalberts Integrated Piping Systems Americas, Inc.), 4ALF 3A44A (Conbraco Industries Inc).
What are the specifications of 4ALF 3A44A?
Key specifications for 4ALF 3A44A: Supplementary Features: WEIGHT 1.5 POUNDS LBS; Operating Pressure: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.75 INCHES IN; Special Features: INDEPENDENTLY-ACTING CAPTURED SPRING CHECK VALVES. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-727-8017 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.