The Valve,ball, cataloged under National Stock Number 4820-01-573-3364, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-573-3364 |
| Primary Part Number | 77-AR4-64-14-27 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Nominal Length | 3.540 INCHES ALL ENDS IN |
| Supplementary Features | NHA-57K4452; 3/4 INCH NPT BALL VALVE WITH HANDLE; HANDLE LENGTH- 5.51 INCH; WORKING PRESSURE IS 600 PSI IN |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Valve Size | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 280.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Width | 2.360 INCHES ALL ENDS IN |
| Material | BRONZE OR COPPER OR COPPER ALLOY OR NICKEL OR NICKEL ALLOY OR STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77-AR4-64-14-27 PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ER2100SSRTHT.75 | 5/9 Secondary reference Commercial Litho Plate Graining 1970LTD |
| 12484577 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4820-01-573-3364 is a Valve,ball, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-573-3364 has 1 manufacturer part number on file: 77-AR4-64-14-27 (Aalberts Integrated Piping Systems Americas, Inc.).
Key specifications for 77-AR4-64-14-27: Nominal Length: 3.540 INCHES ALL ENDS IN; Supplementary Features: NHA-57K4452; 3/4 INCH NPT BALL VALVE WITH HANDLE; HANDLE LENGTH- 5.51 INCH; WORKING PRESSURE IS 600 PSI IN; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF; Valve Size: 0.750 INCHES IN. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.