The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-254-8640, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-254-8640 |
| Primary Part Number | 131-50530 |
| Item Name | Cock,shutoff,screw Stem |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | CANCELLED |
| Flow Control Device | DISK OR STEM |
| Valve Operation Method | MANUAL |
| Thread Class | 3A FIRST END A |
| Thread Series Designator | UNF FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Series Designator | NPT SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Pipe Size Accommodated | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 131-50530 | Dana Corp Weatherhead Div (USA) |
| 131-50530 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 530 1/4IN PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 23502 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 23502 | Hyster-Yale Group, Inc. (USA) |
| 530 1/4IN | Dana Corp Weatherhead Div (USA) |
NSN 4820-00-254-8640 is a Cock,shutoff,screw Stem, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-254-8640 has 6 cross-referenced part numbers: 131-50530 (Dana Corp Weatherhead Div), 131-50530 (Danfoss Power Solutions II, Llc), 530 1/4IN (Danfoss Power Solutions II, Llc), 23502 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 23502 (Hyster-Yale Group, Inc.) and 1 more.
There are 8 known substitutes for 4820-00-254-8640: 3415-00-222-0924, 3030-00-269-9724, 5950-00-648-5402 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 131-50530: Flow Control Device: DISK OR STEM; Valve Operation Method: MANUAL; Thread Class: 3A FIRST END A; Thread Series Designator: UNF FIRST END. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-254-8640 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.